Pressure from President Donald Trump to manufacture advanced semiconductors in the U.S. is increasing costs and squeezing margins at TSMC, the world's leading chipmaker. Following Trump's return to power in 2025, the president has repeatedly threatened tariffs on companies that don't make their products in America. Since then, TSMC has announced a total of $200 billion in commitments to the country, including last week's unveiling of a $100 billion investment into advanced semiconductor manufact...