By Lisa Wang / Staff Reporter Taiwan Semiconductor Manufacturing Co (TSMC, 台積電), the world’s biggest contract chipmaker, booked its first-ever profit from its Arizona subsidiary in the first half of this year, four years after operations began, a company financial statement showed.Wholly owned by TSMC, the Arizona unit contributed NT$4.52 billion (US$150.1 million) in net profit, compared with a loss of NT$4.34 billion a year earlier, the statement showed. The company attributed the turnaround ...