Chinese companies and U.S. casino operators with Macau operations gained in premarket trade, following a 3.4% gain the Hang Seng on Thursday. The Hang Seng is now up 30% from its Oct. 31 low, driven by steps taken by China to loosen its tight COVID-19 restrictions. Gainers on Thursday included Las Vegas Sands , Wynn Resorts , Yum China , Alibaba and JD.com .
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