% (SIX) By: Comtex SmarTrend® News Briefs November 14, 2019 at 00:14 AM EST SmarTrend identified a Downtrend for Six Flags Entert (NYSE:SIX) on September 19th, 2019 at $53.73. In approximately 2 months, Six Flags Entert has returned 14.73% as of today's recent... Read More >> Related Stocks: Six Flags Entertainment Corp