TSMC vs. ASML: Which Is the Better Semiconductor Equipment Stock to Own for the Next 10 Years?

TSMC and ASML are identified as two of the best long-term semiconductor stocks due to their dominant market positions. TSMC controls 73% of the foundry market and 90% of advanced AI chips, while ASML dominates with 90% market share in lithography and 100% in extreme ultraviolet equipment. The article recommends both stocks but slightly favors TSMC due to its lower valuation (36x earnings vs. ASML's 56x) and more diversified customer base.