Twitter a near-perfect vector for stock market hoaxes

Prominent short-seller David Einhorn raised eyebrows last month when he popped up on Twitter to disavow that he had tweeted about Herbalife Ltd. “Apparently I have a twitter impersonator,” said the hedge fund manager, adding that he had no plans “to tweet about stocks.” What set off Einhorn, f…

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Twitter a near-perfect vector for stock market hoaxes