LinkedIn sheds $11 billion in value on stock's worst day since debut

LinkedIn Corp's shares closed down 43.6 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 rout in the stock cost LinkedIn chairman Reid Hoffman about $1.2 billion based on his 11.1 percent stake in the company he co-founded, according to Reuters calculations. At least nine brokerages downgraded the stock to "hold" from "buy", saying the company's lofty v