S&P 500 Snapshot: A Fractional Gain By: TalkMarkets November 24, 2015 at 17:56 PM EST The S&P 500 sold off at the open despite the 8:30 upward revision of Q3 GDP from 1.5% in the Advance Estimate to 2.1% in today's Second Estimate. Read More >> Related Stocks: Standard & Poors 500