Apple's U.S. chip plan gains steam thanks to $20B TSMC investment

As Apple seeks to re-shore more chip production, TSMC invests an additional $20 billion in its Arizona plants even while Intel allegedly ramps up test production. TSMC's Arizona campus covers about 2,000 acres. Image credit: Christopher Payne US manufacturing of Apple processors was already increasing with Intel reportedly conducting a test run of iPhone and Mac chipsets, but now TSMC has approved $20 billion more for its Arizona Fab 21 facility.