Even as the S&P 500 reaches new highs, some investors view small-cap value stocks as the best option for long-term growth. Concerns are growing about the concentration of investments in index-based stocks. For instance, S&P 500 investors increasingly depend on mega-cap companies like Nvidia (NASDAQ:NVDA) to drive higher benchmarks. This reliance is a double-edged sword; a few missteps by these companies could significantly impact an entire portfolio. In contrast, small-cap value stocks offer two key advanta ...