S&P 500 posts biggest gain since Jan 2013; tech leads

http://finance.yahoo.com/news/wall-st-rallies-fed-energy-gains-p-500-000048356–business.html NEW YORK (Reuters) – The S&P 500 posted its biggest jump since January 2013 on Thursday, extending a Fed-fueled rally from the previous session, as tech shares gained after stronger-than-expected results from Oracle.