https://www.reuters.com/article/us-usa-trade-china-huawei-analysis/blacklist-mess-huaweis-105-billion-business-at-stake-after-u-s-broadside-idUSKCN1SM123 >The latest U.S. broadside against Huawei that puts the Chinese firm on an exports blacklist threatens to rattle the global tech supply chain, linked closely to the $105 billion business of the world's top supplier of telecoms network equipment.