Yelp isn't having a good Thursday. After posting mixed Q4 results Wednesday evening, shares were down more

Yelp announced today that it surpassed 100 million unique vistors on its site in January, marking the first time in Yelp history it has had that many uniques in

Yelp this afternoon posted better-than-expected Q4 revenues, but the stock is trading lower on a wider-than-anticipated loss for the quarter. Yelp reported Q4 revenues of $41.2 million, up