AI ETF and Infrastructure Fund Growth

AI-related ETFs now account for 19% of US ETF trading volume, with $19B inflows in 2025 across 92 funds ($50.8B AUM). Tortoise AI Infrastructure ETF (TCAI) celebrates one-year anniversary with $250M AUM and 120%+ returns, highlighting the picks-and-shovels investment theme. Hidden NVDA concentration in ETFs (SMH 18.5%) noted as risk. New: Risk-managed AI ETFs (QQQA, QQHG) offer downside protection for long-term investors.