Last summer, some Yelp shareholders filed a class-action lawsuit against the online review site, alleging that Yelp misled them about the quality of user-generated reviews and the process Yelp uses to screen for bogus write-ups. This week, a federal court judge sided with Yelp and dismissed the complaint, saying that a reasonable investor would not believe that every review posted to an open and free online community would be genuine. [More]