S&P400 500 600 NDX 2022-10-21

How relevant is the capitalization size distinction (small-, mid-, and large-cap)?
From my perspective, not very. Strengthening vs. weakening is a more relevantly actionable distinction.
This topic will be visited in more detail in a future post, but for now below are downloadable details comparing the S&P 400/500/600 and the Nasdaq 100.