In 2020, exactly one year to the day that the U.S. put Huawei on the Entity List the U.S. Commerce Department issued a new export rule change dealing with chips. The new rule prevents foundries using American technology from shipping chips to Huawei. Even the latter's own Kirin chips, designed by the company's HiSilicon semiconductor unit, could not be shipped to the company because of the new export rules. Qualcomm received permission from the U.S. to ship 4G versions of its latest chipset to Huawei Eventually, Huawei went through its inventory of Kirin chips and the U.S. gave Qualcomm permission...