1. Semiconductors are crucial for AI, and VanEck Semiconductor ETF (SMH) has seen a 785% gain over the last decade; 2. SMH's success is driven by its concentrated portfolio in NVDA, AVGO, and TSM, despite high valuations; 3. The semiconductor industry is projected to grow significantly, making SMH a strong long-term investment; 4. SMH's dominance in AUM and returns, combined with its focus on industry leaders, makes it the best choice for long-term semiconductor investments.