U.S. stocks rise as car makers report sales By: MarketWatch April 02, 2013 at 09:52 AM EDT U.S. stocks rise Tuesday, as investors appeared optimistic about March car-sales data and an expected rebound in February factory orders. Read More >> Related Stocks: Apple Bgc Partners Cl A Ford Motor General Motors Humana Nasdaq OMX Group Standard & Poors 500 UnitedHealth Group