(Image credit: TSMC) Amid a fierce trade war with the US, China's General Administration of Customs has changed its rules of how the origin of imported chips must be classified, now deeming that the wafer fabrication location should be counted as the origin of chips shipped to the country. This rule exempts products from AMD, Nvidia, Qualcomm, Intel, and other chipmakers who outsource wafer fabrication to Taiwanese companies from the punitive 125% tariff China now imposes on products from the U....