Tuesday

U.S. stocks started the month on a weak note as investors fretted over oil's impact on the economic recovery, and comments from Federal Reserve Chairman Ben Bernanke fell flat. The Dow Jones snapped a two-day climb today, led by Alcoa, which fell 3.7%. Today's round of economic data showed a jump in auto makers' U.S. sales of cars and light trucks in February, raising hopes for a strong year in the industry. DJIA -168.32 Nasdaq -44.86 S&P 500 -20.89.