Dow Logs Gain in Volatile 2011; S&P Ends Flat

Stocks closed lower in the final trading day of a heavily volatile year. The Dow finished higher for the year, while the S&P erased its gains to close out largely flat. - Dow Logs Gain in Volatile 2011; S&P Ends Flat -- Markets to Focus on US Economy as 2012 Begins
Pros See Big Gains—and Risks—in 2012 - cnbc