Taipei-listed shares in TSMC hit a record high on Friday after the chipmaker posted forecast-beating third-quarter earnings and predicted a rosy outlook on strong artificial intelligence (AI) demand. The company, however, appeared to face some political uncertainty after U.S. media outlet The Information said the U.S. Department of Commerce is probing whether TSMC has been making AI or smartphone chips for China’s Huawei, whose access to non-Chinese chips has been severely curtailed due to U.S. export controls. As the world’s largest contract chipmaker, TSMC, whose customers include Apple and Nvidia, has benefited from a surge towards AI across a spectrum of industries.