https://www.reuters.com/article/us-china-huawei-stocks/trumps-huawei-ban-raises-hopes-for-chinese-chip-suppliers-idUSKCN1SR16Y >Washington's blacklisting of technology giant Huawei has taken a toll on U.S. semiconductor shares, but China-listed firms have rallied as investors bet they can gain from Beijing's stepped-up efforts to build a homegrown supply chain.