LinkedIn shares dive more than 40 pct, $11 billion wiped out

By Supantha Mukherjee and Anya George Tharakan(Reuters) – LinkedIn Corp’sshares plunged as much as 43 percent on Friday, wiping out nearly $11 billion of market value, after the social network for professionals shocked Wall Street with a revenue forecast that fell far short of expectations. The stock sank to a three-year low of $109.50, registering its sharpest decline since the company’s high-profile public listing in 2011. At least seven brokerages downgraded the stock from &