Yelp (YELP +12%) skyrocketed to new post-IPO highs today in the absence of major news. Two...

|About: Yelp (YELP)|By:, SA News Editor

Yelp (YELP +12%) skyrocketed to new post-IPO highs today in the absence of major news. Two possible triggers: a heavy short interest (14.9% of the float was shorted as of May 31), and the fact the company has often been the subject of M&A speculation. Shares now +85% YTD, aided by a huge jump following the company's Q1 report.