S&P 500 Snapshot: The Zombie Goes Catatonic By: TalkMarkets April 15, 2016 at 19:00 PM EDT In our Thursday update, we characterized the S&P 500 action as a "zombie trade" — a flat finish to the narrowest intraday range (-0.21% to 0.26%) of 2015. Read More >> Related Stocks: Standard & Poors 500