US STOCKS-Wall St edges lower as early gains dissipate By: Reuters: Company News March 21, 2014 at 14:42 PM EDT * Indexes: Dow up 0.09 pct, S&P off 0.18 pct, Nasdaq down 0.87 pct (Updates to mid-afternoon, changes byline) Read More >> Related Stocks: Biogen Idec Darden Restaurants First Solar Gilead Sciences Nike Inc Symantec Corp Tiffany & Co Zions Bancorp