Key Takeaways Major U.S. stock indexes hover near record highs, while the S&P 400 mid-cap index is up 4.9% year to date.Mid caps offer diversification, balancing growth potential and resilience against economic swings.DDS, STRL, SNEX, AWI and WTS stand out with strong growth forecasts and favorable analyst estimates.U.S. stock markets have been witnessing an astonishing bull run since the beginning of 2023 barring some minor fluctuations. The three major stock indexes — the Dow, the S&P 500 and the Nasdaq C ...