Taiwan, Biden and China’s High-Tech Ambitions

A silicon wafer made by Taiwan Semiconductor Manufacturing Co. at the company's headquarters in Hsinchu, Taiwan.

Photographer: Maurice Tsai/Bloomberg

What’s going on at China’s largest chipmaker?

Semiconductor Manufacturing International Corp. is trying to clarify the intentions of a top executive after reports he’d submitted his resignation, apparently miffed the company appointed a vice chairman without consulting him.