Mid-Afternoon Market Update: Groupon Rallies on Stifel Upgrade; Fleetmatics Drops On Short Seller Article

Toward the end trading Thursday, the Dow traded down 0.21 percent to 15,644.72 while the NASDAQ gained 0.26 percent to 3,793.25. The S&P fell, dropping 0.09 percent to 1,723.12. Top Headline ConAgra Foods (NYSE: CAG ) reported a 42% drop in its fiscal first-quarter earnings. ConAgra's quarterly profit fell to