according to alfred sloan, the primary object of the corporation is to make money, not just to make motorcarsoan realized he couldn't sell his cars cheaper than ford, so he gambled that people wanted more from their cars than a ride d that they'd pay more for the color, variety, and options th they could get only fro. henry ford may have known cars, but alfred sloan knew people, and he knew the '20s. hen♪ are ya havin' any fun?ars, ♪ what ya gettin' outta livin'? ♪ ♪ what good is what you've got if you're not havin' any fun? ♪ ♪ are ya havin' any laughs? ♪ are ya gettin' any lovin'? ♪ if other people do so ♪ can ya have a little fun? schoumacher: to link his cars with the national mood, sloan made advtising as much a gm products thchy. professor leo riffo of george washington university has written about the car and the era. shrewd, in some sense manipulative advertising, suggesting that an automobile represents youstatus and your personality -- it's not just a way to get around -- aided the appeal. and of course, the possibility that you could trade in your old car and buy a chevy on time ma

. >> and by the alfred p. sloan foundation.orting science, technology, and improved economic performance and financial literacy in the 21st century. >> and with the ongoing support of these institutions and foundations. and... >> this program was made possible by the corporation for public broadcasting. and by contributions to your pbs station from viewers like you. thank you. captioning sponsored by macneil/lehrer productions captioned by media access group at wgbh access.wgbh.org  >>> this is "nightly business report" with tyler mathisen and susie gharib. brought to you in part by. >> thestreet.com featuring stephanie link who shares her links and actions plus. you can learn more at thestreet.com/nbr. >>> pharma frenzy, more than $60 billion worth of deals, what is driving them and is the industry entering a new era? >>> changing the channel, the supreme court is hearing a case that could shake up the television business and change the way people watch and pay for their favorite shows. >>> where is the beef? m

. >> and by the alfred p. sloan foundation. supporting science, technology, and improved economic performance and financial literacy in the 21st century. >> and with the ongoing support of these institutions and foundations. and... >> this program was made possible by the corporation for public broadcasting. and by contributions to your pbs station from viewers like you. thank you. >> woodruff: search and rescue crews spent a second day working to find more than 270 people missing in a ferry disaster off the coast of south korea. at least 25 deaths have been confirmed since the vessel went down yesterday. we have a report narrated by lucy watson of independent television news, in beijing. >> they urge for a response. banging the hull of this stricken vessel, hoping to hear survivors because this is still a rescue operation. remarkably, 24 hours earlier, as passengers phoned for help, there was an uneasy calm. they were unaware of how fast they were sinking. an announcement told them to stay where they were, because it was less

. >> major funding for the pbs newshour has been provided by: >> and by the alfred p. sloan foundation. supporting science, technology, and improved economic performance and financial literacy in the 21st century. >> and with the ongoing support of these institutions and foundations. and... >> this program was made possible by the corporation for public broadcasting. and by contributions to your pbs station from viewers like you. thank you. >> ifill: another school was engulfed by sudden violence today, when a teenager stabbed and slashed 19 students and a security guard in pennsylvania. it happened just minutes before classes began at franklin regional high, in murrysville, about 20 miles east of pittsburgh. the 16-year-old suspect was finally wrestled down. police did not release his identity, but did say he was armed with two knives. emergency officials said a fire alarm may have limited the casualties. >> we're teaching children in school now if they're in a hallways and they hear something going on to basically run out of the building. so pulling that fire alarm could h

. >> and by the alfred p. sloan foundation.porting science, technology, and improved economic performance and financial literacy in the 21st century. >> and with the ongoing support of these institutions and foundations. and... >> this program was made possible by the corporation for public broadcasting. and by contributions to your pbs station from viewers like you. thank you. captioning sponsored by macneil/lehrer productions captioned by media access group at wgbh access.wgbh.org  . >>> this is "nightly business report," with tyler mathisen and susie gharib brought to you in part by. >> thestreet.com, by stephanie link who shares her market insights with actionalerts plus, the multi million dollar portfolio she manages with jim cramer, you can learn more at thestreet.com. >>> will april showers give way to may showers on wall street. >> twitter tumbles, quarterly results tumble, why? what is the one key takeaway for investors? >> and the big move target is making to secure its payment pipeline in the wake of

. >> major funding for the pbs newshour has been provided by: >> and by the alfred p. sloan foundation. supporting science, technology, and improved economic performance and financial literacy in the 21st century. >> and with the ongoing support of these institutions and foundations. and... >> this program was made possible by the corporation for public broadcasting. and by contributions to your pbs station from viewers like you. thank you. >> woodruff: it could have been much, much worse. chile survived a major earthquake overnight, with relatively limited damage. the epicenter of the 8.2 magnitude quake was in the pacific ocean, about 60 miles offshore. it sent people running in the aisles of stores, as products tumbled off the shelves. six people died, and thousands of coastal residents were evacuated from low-lying areas. >> woodruff: a smaller 5.8 magnitude quake hit panama today. people reported light and moderate shaking, but the head of panama's emergency services said there was no damage, and no one was injured. the confirmed death toll in the washington state mudsl

. >> and by the alfred p. sloan foundation.orting science, technology, and improved economic performance and financial literacy in the 21st century. >> and with the ongoing support of these institutions and foundations. and... >> this program was made possible by the corporation for public broadcasting. and by contributions to your pbs station from viewers like you. thank you. captioning sponsored by macneil/lehrer productions captioned by media access group at wgbh access.wgbh.org >> this is "bbc world news america." >> funding of this presentation is made possible by the freeman foundation, newman's own foundation, giving all profits to charity and pursuing the common good for over 30 years, and union bank. >> for nearly 150 years, we have believed the commercial bank owes its client strength, stability, security. so we believe in keeping lending standards high, capital ratios

. >> major funding for the pbs newshour has been provided by: >> and by the alfred p. sloan foundation. supporting science, technology, and improved economic performance and financial literacy in the 21st century. >> and with the ongoing support of these institutions and foundations. and... >> this program was made possible by the corporation for public broadcasting. and by contributions to your pbs station from viewers like you. thank you. >> ifill: the worst flooding in decades literally drowned parts of the florida panhandle and coastal alabama today. the deluge was triggered by the same front that's spawned tornadoes and killed at least 37 people this week. >> ifill: streets turned into rivers, and cars into islands, as it started pouring yesterday, from gulf shores, alabama to pensacola, florida, and didn't stop. >> i came down about 6:00 this morning to check on everything. and the water was probably up to the sidewalk over here next door. and that was the first time in 29 years, i've never seen it get this deep before. the water was waist-high in some places, and stil

. >> major funding for the pbs newshour has been provided by: >> and by the alfred p. sloan foundation. supporting science, technology, and improved economic performance and financial literacy in the 21st century. >> and with the ongoing support of these institutions and foundations. and... >> this program was made possible by the corporation for public broadcasting. and by contributions to your pbs station from viewers like you. thank you. >> ifill: officials in south korea now say search teams have recovered at least 156 bodies from a sunken ferry. nearly 150 others remained unaccounted for as the search operation ended its eighth day. divers are having to navigate the dark depths and will have to rip through cabin walls to find the remaining victims. another brief glimmer of hope faded today in the search for that missing malaysian plane. investigators found sheet metal with rivets that washed ashore in southwestern australia. but, initial analysis found no connection to the jetliner. meanwhile, malaysia's government announced an international team will investigate the di

. >> major funding for the pbs newshour has been provided by: >> and by the alfred p. sloan foundation. supporting science, technology, and improved economic performance and financial literacy in the 21st century. >> and with the ongoing support of these institutions and foundations. and... >> this program was made possible by the corporation for public broadcasting. and by contributions to your pbs station from viewers like you. thank you. >> ifill: grief settled over south korea today, after a ferry disaster at sea. hundreds of high school students were on board the vessel that capsized and sank. officials confirmed six deaths, but 290 others were still missing, many hours later. we have a report narrated by jonathan miller of independent television news. >> reporter: in the yellow sea, a few miles off south korea's rocky coast, the 150 meter long, 6,000 ton ferry, the sewol, has capsized in 30 meters of water. on board, 459 passengers. among them more than 300 teenagers en route to a school field trip on a volcanic island in the south. the ferry had sailed through the nig

. >> and by the alfred p. sloan foundation. supporting science, technology, and improved economic performance and financial literacy in the 21st century. >> and with the ongoing support of these institutions and foundations. and... >> this program was made possible by the corporation for public broadcasting. and by contributions to your pbs station from viewers like you. thank you. >> woodruff: a wave of selling hit wall street today. technology and biotech stocks were especially hard hit. the nasdaq fell more than 129 points to close at 4,054, its worst day since november, 2011. the dow jones industrial average lost nearly 267 points to close at 16,170. and the s&p 500 was down 39 at 1,833. the drop came despite a report that new claims for jobless benefits are now the lowest in nearly seven years. a federal judge in new york has sentenced s.a.c. capital in a major insider trading case. the hedge fund will pay a record fine as part of a plea deal totaling $1.8 billion. eight s.a.c. employees have already been convicted of insi

. >> and by the alfred p. sloan foundation.porting science, technology, and improved economic performance and financial literacy in the 21st century. >> and with the ongoing support of these institutions and foundations. and... >> this program was made possible by the corporation for public broadcasting. and by contributions to your pbs station from viewers like you. thank you. captioning sponsored by macneil/lehrer productions captioned by media access group at wgbh access.wgbh.org >>> this is "nightly business report," with tyler mathisen and susie gharib. >>> whipsaw day on wall street, stocks rallied out of the gate then dropped mid-day only to bounce back by the close. what is causing the volatility and will there be more to come in the months and weeks ahead. >>> and a singular goal, safety, mary barra answers questions since the first heated congressional questions. >>> and taking away on intel and yahoo! earnings that could determine the market's directions tomorrow. we have all that and more tonight on

. >> and by the alfred p. sloan foundation. supporting science, technology, and improved economic performance and financial literacy in the 21st century. >> and with the ongoing support of these institutions and foundations. and... >> this program was made possible by the corporation for public broadcasting. and by contributions to your pbs station from viewers like you. thank you. >> woodruff: an afghan security guard in afghanistan shot three american doctors today at a hospital in kabul. it was the latest in a series of attacks on foreigners. the guard opened fire outside a facility run by cure international, a christian charity. the dead included a chicago pediatrician who had volunteered in afghanistan for nearly a decade. >> these people were not carrying guns, they did not have military uniforms, they came here under immense pressure and were here only to serve the people of afghanistan. this was an inhumane and brutal action, and unfortunately will impact our health services. >> woodruff: also today, the latest partial

. >> and by the alfred p. sloan foundation.porting science, technology, and improved economic performance and financial literacy in the 21st century. >> and with the ongoing support of these institutions and foundations. and... >> this program was made possible by the corporation for public broadcasting. and by contributions to your pbs station from viewers like you. thank you. captioning sponsored by macneil/lehrer productions captioned by media access group at wgbh access.wgbh.org  >>> this is "nightly business report," with tyler mathisen and susie gharib. failure to comply, general motors safina ed fined by its safety regular later for not answering all the questions on the safety recall. what it all means for the automaker. >>> and they're off, alcoa out of the gate with a mixed bag of earnings, but the season is not expected to be strong and too cou that could lead to a bumpy road. >>> and tax deadline, one week to go, if you have not filed your taxes yet. we have a few strategies you can still use to all

. >> and by the alfred p. sloan foundation.porting science, technology, and improved economic performance and financial literacy in the 21st century. >> and with the ongoing support of these institutions and foundations. and... >> this program was made possible by the corporation for public broadcasting. and by contributions to your pbs station from viewers like you. thank you. captioning sponsored by macneil/lehrer productions captioned by media access group at wgbh access.wgbh.org  >>> this is "nightly business report" with tyler mathisen and susie gharib. >> did you review the documents gm submitted to the committee? >> no, i did not. there were over 200,000. >>> drama on the hill. a tough outing for general motors ceo as lawmakers pressed her about why it took a decade to recall cars with defective parts. but did her answers satisfy investors and drivers? >>> i believe the market is rigged. i believe you're part of rigging. >> drama on the street. is wall street rigged? the debate stopped trading midday at t

. >> and by the alfred p. sloan foundation. supporting science, technology, and improved economic performance and financial literacy in the 21st century. >> and with the ongoing support of these institutions and foundations. and... >> this program was made possible by the corporation for public broadcasting. and by contributions to your pbs station from viewers like you. thank you. >> ifill: the number of confirmed dead in the washington state mudslide rose again today to 30. the local medical examiner's office released the names of two more victims, and it lowered the number of missing to 15, down from 18 yesterday. meanwhile, the search continued in the tiny community of oso. it was buried last month when a hillside collapsed. the senate intelligence committee has voted to declassify parts of a report on c.i.a. interrogations after 9/11. the report concludes methods such as waterboarding were often cruel and ineffective. today's vote comes as senators accuse the c.i.a. of spying on their investigation and deleting files. the