US STOCKS-Wall St gains as commodities rebound, Fed on deck By: Reuters: Company News May 18, 2011 at 12:34 PM EDT * Dow up 0.3 pct, S&P up 0.5 pct, Nasdaq up 0.6 pct * For up-to-the-minute market news see [STXNEWS/US] (Updates to midday) Read More >> Related Stocks: Chevron Corp Exxon Mobil Freeport-McMoRan Standard & Poors 500 Staples