there are other interest groups for example the c.m.e. group this large privately run exchange where a lot of this oil speculation takes place they have many lobbyists there some of the biggest campaign contributions in the country rahm emanuel who's now the mayor of chicago was once on the board of the c.m.e. group so it's a very politically connected company and if you look down the list actually senator bernie sanders leaked a list of some of the largest oil speculators from two thousand and eight if you take that list and cross-reference that with some of the biggest lobbying spenders you'll see a lot of correlation but i feel like you know every time we have conversations like this do we end up falling into that hall just blaming the lobbyists and thinking of the lobbyists are all bad when what about the members of congress should they take the responsibility here it's not like if a lobbyist comes that you then you have to listen. well sure but the way that congress is set up. you know the house of representatives under democratic control

many traders in chicago's grain trading pits got turned onto twitter a few years ago when the c.m.e. group started using that site and facebook as marketing tools. but soon traders were using social media as a sort of virtual trading floor where they could use real-time information from farmers, seed companies and grain processors to buy and sell futures contracts. >> you want to buy one out of stop at what price? >> reporter: commodities broker joseph vaclavik follows about 200 farmers on twitter, including chris barron. >> i'm looking at it not constantly, but i'm glancing at it throughout the day. >> reporter: vaclavik says the tweets he gets from farmers enhance the information he gets from the usda and news services. and often tweets are more timely, like last winter when south american farmers tipped him off about a drought there. >> to actually hear first-hand from these guys that yeah there's a problem in my field because it hasn't rained in 30 days that a different story, that's different information that i think is really good. >> reporter: barron says he's still learning about t

one of the exchanges that trades commodities is the c.m.e. group. the company announced its first stock split, hoping to attract new investors. investors were buying stock with shares up 2.5%. the exchange's business has been hurt by lower trading volumes and the threat of new trading regulations hurting future growth. it will split it's shares five for one in july. meantime, one of the newest stocks continues having trouble. it's now been one week since facebook sold stock to the public and it's been a rough week. shares lost 3.5% today as volume shrank quite a bit along with the overall market. the stock's initial offering price was $38 and has lost 16% in the past week. investment banks u.b.s. and citigroup reportedly lost $50 million combined on trades during facebook's glitch-fille debut last week. with a long weekend ahead of us, we'll see if any merger deals are hammered out over the holiday. we have learned the pursuit of bio-pharmaceutical company amylin is heating up. according to bloomberg, drug makers merck and sanofi have made initial b