Chaay_Tee / iStock via Getty Images Quick Read Wall Street will be back at full speed as traders and investors return from the Christmas and New Year holidays. Many on Wall Street are expecting an increase in volatility after a third straight year of double-digit gains for the S&P 500. While the AI and Data Center trade will remain in focus in 2026, expect the outsized gains of the last few years to taper off somewhat over the next 12 months. If you’re thinking about retiring or know someone who i ...