Caught short? One-product Questcor attacked by investor shorting and blog

Questcor Pharmaceuticals has, according to analysts, done the best it could to combat what appear to be barely legal attempts to manipulate its stock price.

Questcor Pharmaceuticals has, according to analysts, done the best it could to combat what appear to be barely legal attempts to manipulate its stock price.

On 11 January, Questcor's stock price dropped around 15% as a well-publicised blog from an organisation known as TheStreetSweeper.org announced that it was going to publish a negative report on...

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