NEW YORK -- Calls by U.S. Senator Marco Rubio for a review of ByteDance's acquisition of the wildly popular social media app TikTok could also hit Japanese tech investor SoftBank.
SoftBank's Vision Fund, which is still reeling from the collapse in the value of its stake in shared office provider WeWork, is a major backer of the Chinese-owned ByteDance, one of the world's most valuable privately-held tech companies.
