https://www.reuters.com/article/us-usa-china-alibaba/u-s-mulling-to-add-alibaba-tencent-to-china-stock-ban-wsj-idUSKBN29B2O8 >U.S. officials are considering prohibiting Americans from investing in Alibaba Group Holding Ltd and Tencent Holdings Ltd, the Wall Street Journal reported on Wednesday, citing people familiar with the matter.