US STOCKS-Dow, S&P 500 edge up, boosted by GE; Nasdaq dips By: Reuters: Company News January 21, 2011 at 13:05 PM EST * Dow up 0.3 pct, S&P up 0.3 pct, Nasdaq down 0.2 pct Read More >> Related Stocks: Bank of America General Electric Goldman Sachs Group Google, Inc. Standard & Poors 500