The Taiwan Semiconductor Manufacturing Company’s fabrication plant in Phoenix. Global investors are ramping up bets on Taiwan Semiconductor Manufacturing Co. ahead of its earnings, confident that the world’s leading chip foundry will remain one of the biggest winners from the AI spending boom. Most Read from Bloomberg Its American depositary receipts are trading at the highest premium to its Taipei shares since 2002, on a 50-day moving average basis. That’s driven by growing awareness among investors aro ...