Moody's Investors Service upgraded Taiwan Semiconductor Manufacturing Company's (TSMC) outlook to positive from stable on August 28, 2026. The agency affirmed the company's Aa3 issuer rating.

This upgrade reflects TSMC's strengthening market leadership and technological edge in artificial intelligence and cloud computing. Counterpoint Research reports that TSMC held a 73% share of the global pure-play foundry market in the second quarter of 2026. The company is currently advancing its A14 process technology ahead of schedule to meet AI demands. TSMC shares rose 0.41% in Taipei trading, providing support to the broader market.