https://www.reuters.com/article/us-marvell-technlgy-results/marvell-forecasts-revenue-below-estimates-on-huawei-ban-shares-slide-idUSKCN1VJ2LJ >Marvell Technology Group Ltd forecast third-quarter revenue below Wall Street estimates on Thursday, as a ban on selling components to Chinese telecommunications giant Huawei Technologies [HWT.UL] hurt the U.S. chipmaker.