Exxon Mobil (XOM) shares were lower ahead of the open on news billionaire investor Warren Buffett dumped his shares in the oil giant. But Exxon isn't the only oil company Buffett is exiting in the wake of the recent drop in prices. He is also unloading his stake in ConocoPhillips (COP).
http://finance.yahoo.com/news/potbe...mobil-and-conocophillips-slump-141456322.html
http://finance.yahoo.com/news/potbe...mobil-and-conocophillips-slump-141456322.html