Mid-Day Market Update: U.S. Stocks Turn Red; OmniVision Shares Tumble On Weak Outlook

Midway through trading Wednesday, the Dow traded down 0.28 percent to 15,869.45 while the NASDAQ tumbled 0.17 percent to 4,030.50. The S&P also fell, dropping 0.32 percent to 1,789.49. Top Headline Express (NYSE: EXPR ) issued a downbeat earnings forecast for the holiday quarter. Express now projects a