TSMC, or Taiwan Semiconductor Manufacturing Co., is a key supplier to Nvidia and Apple. It had previously already committed $165 billion in the U.S. for building plants in Arizona, with six fabrication facilities planned. The extra $100 billion in investments are to "support the strong multiyear demand from our leading U.S. customers," C.C. Wei, chairman and CEO of TSMC, said during the company's quarterly earnings conference Thursday. An additional four fabrication plants in Arizona will likely be built with the new investments, TSMC said. They will focus on making some of the most advanced chips that are 2-nanometer and below.
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