1. Single-stock ETFs rapidly increased, with 276 launched in 2025 alone. 2. These funds can amplify returns but carry significant risk and volatility. 3. Investors report negative experiences, with high fees and inadequate long-term performance. 4. Top-heavy fund market evident, with only a few ETFs holding significant assets. 5. Interest in single-stock ETFs rises, primarily in tech stocks like Tesla and Nvidia.