HONG KONG -- A face-lift of Hong Kong's benchmark stock index and ongoing market reforms in mainland China underscore Beijing's push to create a technology listing ecosystem at a time when the U.S. is threatening to shut out Chinese companies from trading on American exchanges.
The overhaul of the half-century-old Hang Seng Index on Monday has brought in tech conglomerate Alibaba Group Holding, Asia's largest company by market capitalization, smartphone maker Xiaomi and pharmaceutical research group WuXi Biologics (Cayman).
