S&P 500 day trading course and the economy- employment
U.S. stocks slid for a second day after retailers from Wal-Mart Stores Inc. to Limited Brands Inc. said profit will trail forecasts as the recession limited holiday spending and sent continuing jobless claims to a 26-year high. Wal-Mart, the world’s biggest retail chain, tumbled as much as 9.4 percent, the most in a year. Limited…