After a long period of underperformance, small-cap U.S. stocks may be staging a comeback. While it's too early to say for sure whether this is the start of a sustained rally or just an occasional rise, recent data shows encouraging signs for small-cap investors.Recent Performance: Small Caps Rebound The Russell 2000 index — a benchmark for small-cap stocks — started to gain momentum from July 22, 2025. While the large-cap fund SPDR S&P 500 ETF Trust (SPY) added 4.7% past month, the small-cap fund iShares Ru ...