Chinese shares slumped, extending the steepest four-day rout since 1996, on concern the government is paring back market support.
The Shanghai Composite Index tumbled 4.3 percent to 3,071.06 at the midday break, taking its decline since Aug. 19 to 19 percent. About 14 stocks fell for each that rose on Tuesday. Stocks slumped even as equities rallied around Asia.
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