https://www.reuters.com/article/us-huawei-mwc/huawei-2020-revenue-ticks-up-despite-u-s-sanctions-chairman-says-idUSKBN2AN09S >Huawei Technologies saw slight revenue and profit growth in 2020, in line with its expectations, its rotating chairman said on Tuesday, even as Washington toughened up sanctions against the Chinese telecom equipment maker.