Vetr Top Raters Downgrade Yelp To 3-Star Stock By: Benzinga via Benzinga January 15, 2016 at 11:03 AM EST Shares of Yelp Inc (NYSE: YELP) have lost more than a quarter of its value since the start of 2016 and are lower by more than 50 percent ... Read More >> Related Stocks: Bio-Techne Corp Yelp Inc