Asian markets ended mixed Wednesday. Rumors China was looking to buy a stake in BHP Billiton boosted Australia's index, but refiners dragged Hong Kong shares lower.
Australia's benchmark S&P/ASX 200 Index ended 1% higher at 5872.7. Market heavyweight BHP Billiton underpinned the rise, with rumors circulating among traders, analysts and investment bankers in Australia that an unnamed Chinese entity is seeking to build a stake in the mining giant. BHP declined to comment on the rumors. BHP's shares rose 6.1%. Rio Tinto rallied 4.8%, amid separate talk that BHP could be close to raising its all-share bid.
With the exception ...

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