TSMC plans to invest $265 billion to expand manufacturing in Arizona, a major boost to US chip capacity and supply-chain resilience. The move deepens the lead o

TSMC plans to invest $265 billion to expand manufacturing in Arizona, a major boost to US chip capacity and supply-chain resilience. The move deepens the lead of the world’s top foundry, which holds 73% of the pure-play market and supplies Apple, Nvidia and AMD.