https://www.reuters.com/article/us-usa-china-huawei-tech/huawei-to-challenge-u-s-export-sanction-which-it-says-will-harm-america-idUSKCN1SM23I >Huawei Technologies said on Thursday it will challenge a decision by the U.S. Commerce Department to add the Chinese company to a export blacklist, warning the decision "will do significant economic harm to the American companies with which Huawei does business."