The Hang Seng index rose 2.2 percent, to 20,803.39, while the China Enterprises Index gained 2.9 percent, to 8,979.41 points.
China stocks enjoyed their best day in a month, with main indexes jumping more than 2 percent, as the mainland market joined a global rally after U.S. Federal Reserve remarks hosed down expectations of imminent interest rate hikes.
The blue-chip CSI300 index rose 2.6 percent, to 3,216.28, while the Shanghai Composite Index gained 2.8 percent, to 3,000.64 points.
Markets scaled back expectations for how fast and far U.S. interest rates might rise this year, after Fed Chair Janet Yellen emphasised global dangers to growth and inflation, and thus the need to proceed "cautiously" on tightening policy.
Japanese stocks fell on Wednesday as the yen strengthened against the dollar after U.S. Federal Reserve Chair Janet Yellen called for caution on raising interest rates, with the stronger yen weighing on Japan's exporters.
Market players said appetite for riskier assets was further diminished by investor caution ahead of U.S. jobs data scheduled to be released on Friday.
The Nikkei share average fell 1.3 percent to 16,878.96 for its lowest close in nearly two weeks.
Reference: Reuters
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