. >> and hedge fund giant david tepper suing sun edison. the latest on these moves coming up. >> meanwhile, bob pisani joining us. and bertha coombs, of course, tracking action at the nasdaq stock market as well. bob, this late day selloff, rather unusual. >> yeah. this is another one of those days where they're taking down overall exposure. we've seen this a number of times. the whole market is down about 2%. it really doesn't matter. overall market exposure being taken down. what's point is we're seeing a little more activity in high beta names. stocks that have a little more pluckuation on a daily basis. so look, transports having a very ugly day.fluctuation on a . so look, transports having a very ugly day. everything down about 4%. another high beta sector that we're seeing a lot of activity, come on over here, is rhrhe reg banks. about 4% in the regional bank area. another sector. another high beta sector is the oil names. i'm just bringing up one. anadarko. and it's not unusual now to see 4%, 5%, 6% declines. these high beta names, a