US STOCKS-S&P 500 eyes best December since 1991 By: Reuters: Company News December 29, 2010 at 12:29 PM EST * For up-to-the-minute market news see [STXNEWS/US] (Updates to midday) Read More >> Related Stocks: Blackstone Inc CenterPoint Energy GX Defense Tech ETF Netflix Noble Energy Sealed Air Standard & Poors 500