New Delhi, March 24 -- Small caps have finally grabbed the spotlight in the US stock market. The Russell 2000 and S&P 600 are up close to 8% year-to-date, sharply ahead of large cap benchmarks like the S&P 500 and Nasdaq 100, which are roughly flat to slightly negative in early 2026. Strategists at major firms argue that this could be the start of a regime shift-but it likely depends on four big triggers.

Here are the key catalysts Wall Street is watching for US small cap stocks.

Goldman Sachs expects the Federal Reserve to deliver around two 25-basis-point cuts in 2026 as inflation normalizes and growth holds near 2.7%. Rate-sensitive small caps tend to benefit disproportionately when real borrowing costs ease, both via cheaper de...