China has figured out the US strategy for allowing it to buy Nvidia Corp.’s H200 and is rejecting the AI chip in favor of domestically developed semiconductors, White House AI czar David Sacks said, citing news reports.President Donald Trump said on Monday he would allow shipments of Nvidia’s H200 to China, part of an administration effort backed by Sacks to challenge Chinese tech champions like Huawei Technologies Co. by bringing American competition to their home market. On Friday, Sacks signa...