U.S. nears half of global stock market cap as Alibaba, Tencent falter
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.
Mainland Chinese and Hong Kong companies have shed the equivalent of $1.7 trillion in value since the end of 2023, QUICK FactSet data shows.