Piper Jaffray Downgrades Yelp To Neutral By: Benzinga via Benzinga May 18, 2015 at 09:16 AM EDT Analysts at Piper Jaffray downgraded Yelp Inc (NYSE: YELP) from Overweight to Neutral. The price target for Yelp has been lowered ... Read More >> Related Stocks: Yelp Inc