https://www.reuters.com/article/us-usa-china-huawei-tech/u-s-grants-huawei-new-90-day-license-extension-idUSKBN1XS21V >The Trump administration on Monday issued a new 90-day extension allowing U.S. companies to continue doing business with China's Huawei Technologies Co Ltd as U.S. regulators continue crafting rules on telecommunications firms that pose national security risks.