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Bloody Monday: BlackBerry dumps CEO, ends buyout

Departure

BlackBerry moved to oust CEO Thorsten Heins while jettisoning a buyout by Fairfax Financial in one fell swoop on Monday, as the company struggled to stanch both a market share and stock price in free fall.

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Yahoo shares sink on IRS/Alibaba blow

The Internal Revenue Service denied Yahoo's request for a letter ruling that the company's spinoff of its shares in Alibaba would be tax-free, potentially striking a blow to a key component of the company's strategy.