— Halliburton Co. shares fell 4 percent Friday as Goldman Sachs removed the oilfield services provider from its list of preferred stocks.
— Shares of Comerica Inc. jumped on Friday, one day after the regional bank said it expects its net interest margin to improve in 2009 and indicated that net charge-offs would stabilize.
— Shares of International Coal Group Inc. fell more than 3 percent Friday as investors watched signs that the global demand for coal may be slowing.