Piper Jaffray Fears 'Bully' Documentary May Harm Yelp's Share Price By: Benzinga via Benzinga July 26, 2016 at 14:32 PM EDT Piper Jaffray said Yelp Inc (NYSE: YELP) shares may hit by the "Bully" documentary, which tells the tactics/practices used by Yelp and ... Read More >> Related Stocks: Alphabet-A Alphabet-C Amazon.com Bio-Techne Corp Facebook Yelp Inc