Chinese Stake in Rio Rattles BHP Bid

Aluminum maker Chinalco, along with Alcoa, announce their purchase of a 12% stake in Rio Tinto, BHP's rival and takeover target

The fight for control over mining giant Rio Tinto (RTP) took another twist Feb. 1 after China's largest aluminum maker, Chinalco, and Pittsburgh-based metals firm Alcoa (AA) bought a 12% stake for $14 billion in the Australian company.

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