https://finance.yahoo.com/news/u-could-blacklist-chinese-surveillance-012007716.html > The United States stuck Huawei Technologies on a trade blacklist last week, effectively banning U.S. firms from doing business with the world's largest telecom network gear maker, in a major escalation in the trade war. > The United States has accused Huawei of activities contrary to national security, a charge Huawei denies. However, this week the Trump administration granted the firm a license to buy U.S. goods until Aug. 19 to minimize disruption for customers.