LinkedIn shares drop 35 percent as weak forecast spooks investors

LinkedIn Corp's shares plunged about 35 percent on Friday, wiping out nearly $9 billion of market value, after the social network for professionals shocked Wall Street with a revenue forecast that fell far short of expectations. "With a lower growth profile, we believe that LinkedIn should not enjoy the premium multiple it has grown accustomed to," Mizuho Securities USA Inc analysts wrote in a note. Raymond James, Cowen and Co, BMO Capital Markets, J.P.Morgan Securities and RBC Capital Markets a