“Pre-market. TSM is Taiwan Semiconductor Manufacturing Company Ltd..”
4 sources: citi.com, fidelity.com, marketwatch.com, morningstar.com. TSMC’s investor-relations site confirms its American depositary shares trade on the NYSE under TSM. The “pre-market” wording describes a trading session, not a different company or ticker.
checked on the web by Perplexity
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TSM - TAIWAN SEMICONDUCTOR MANUFACTURING ...