https://www.reuters.com/article/us-usa-semiconductors-tsmc/taiwans-tsmc-to-build-arizona-chip-plant-as-u-s-china-tech-rivalry-escalates-idUSKBN22Q38T >Taiwan Semiconductor Manufacturing Co Ltd , the biggest contract chipmaker, said it plans to build a $12 billion factory in Arizona in an apparent win for the Trump administration's efforts to wrestle global tech supply chains back from China.