Core Insights - The article discusses the concentration risk in the market as investors approach 2025, emphasizing the importance of diversification and the potential benefits of active small-cap ETFs like T. Rowe Price Small-Mid Cap ETF (TMSL) [1] Investment Strategy - TMSL employs a bottom-up stock selection approach, focusing on fundamental metrics such as profitability, stability, earnings quality, return on equity, and book value [2] - The ETF has achieved a year-to-date return of 5.6%, outperforming its Factset Segment average [2] Key Holdings - Rambus, Inc. (RMBS) has shown a remarkable year-to-date return of 69.45% and a quarterly year-on-year revenue growth of 30.33% as of October 13th [2] - MKS Instruments, Inc. (MKSI) has returned 17% year-to-date [2] - InterDigital, Inc. (IDCC) has delivered a year-to-date return of 77.2%, significantly outperforming the S&P 500, with a forward P/E ratio of 23.73 [2] Market Context - Small-cap firms are expected to benefit from cheaper borrowing costs, and the focus on fundamental research may uncover durable investment opportunities [2]