Today, Yelp announced its fourth-quarter earnings, and they weren’t as sunny as some had hoped. Net revenue was $41.2 million in Q4 of 2012 — a 65 percent growth in new revenue from 2011. In

Yelp isn't having a good Thursday. After posting mixed Q4 results Wednesday evening, shares were down more than 5.5% Thursday morning to $21.15.  While analysts like Doug Anmuth of J.P. Morgan were expecting $40.5 million in