TSMC chips reportedly ended up at Huawei. It raises concerns about 'shadow networks' bypassing US sanctions.

TSMC halted shipments to a client after its chips were found in Huawei products, per reports.TSMC and other chipmakers are barred from doing business with Huawei without US government approval.Min-yen Chiang, a researcher, told BI it raises the questions about a "shadow network" of chip supply. Sign up to get the inside scoop on today’s biggest stories in markets, tech, and business — delivered daily. Read preview Thanks for signing up! Go to newsletter preferences Thanks for signing up! Access yo ...