Stifel Cuts Twitter To Sell, Compares 'Too Soon Fad' To AOL, Groupon, Yahoo And Zynga By: Benzinga via Benzinga February 02, 2016 at 08:41 AM EST Twitter Inc (NYSE: TWTR) shares have been trending lower since April 2015, and are down 23 percent since January ... Read More >> Related Stocks: Bio-Techne Corp Groupon Cl A Twitter, Inc. Verizon Communications Yahoo Zynga Inc Cl A