Gold ticked higher in Asian trade as the dollar weakened after reports that U.S. President Donald Trump was considering replacing Federal Reserve Chair Jerome Powell as early as September or October.
Oil extended overnight gains as a larger-than-expected draw in U.S. crude stocks signaled firm demand.
China's Shanghai Composite index ended down 0.22 percent at 3,448.45 after a choppy session as traders assessed simmering economic and geopolitical risks.
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