Since 1990, personal income in the US has multiplied by 4. In this same period, the S&P 500 has multiplied by more than 10. On January 12, 2021 By Anirudh Sethi In Analysis, US Market Share this:Click to share on Facebook (Opens in new window)Click to share on LinkedIn (Opens in new window)Click to share on Twitter (Opens in new window)Click to share on WhatsApp (Opens in new window)