US STOCKS-Wall St gains in light volume on weaker dollar By: Reuters: Company News May 27, 2011 at 15:14 PM EDT * Dow up 0.2 pct, S&P up 0.3 pct, Nasdaq up 0.4 pct * For up-to-the-minute market news see [STXNEWS/US] (Updates to afternoon, changes byline) Read More >> Related Stocks: Bank of America CVS Health Corp Freeport-McMoRan Standard & Poors 500