TOKYO/NEW YORK/HONG KONG -- As Chinese tech companies struggle with an economic slump and fall behind in artificial intelligence, U.S. corporations now account for nearly half of global stock market value, the highest level of concentration in two decades.
Markets
U.S. nears half of global stock market cap as Alibaba, Tencent falter
Chinese tech groups have fallen out of the world's 10 most valuable companies
China's Alibaba Group Holding faces regulatory headwinds and dimmer consumer spending growth prospects at home. © Reuters
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