Shares of Alibaba Group Holding fell in Hong Kong on Monday after the Chinese tech giant announced it would revamp its domestic and foreign e-commerce business and appoint a new monetary leader. The adjustments come as Alibaba faces headwinds on several fronts, increased competition, a slowing economy and regulatory repression. Alibaba’s inventory closed down 5. 6% in the Hang Seng index to HK$112. 70 ($14. 45), after past losses. On Friday, shares of U. S. -listed Chinese fell amid considerations of tighter regulatory oversight in the country following plans through Didi Global Inc. to withdraw from the New York Stock…