Chaay_Tee / iStock via Getty Images Quick Read: With just two full trading days left in 2025, look for some volatility this week. The S&P 500 is heading for its third consecutive year of double-digit returns, barring a market meltdown this week. While the AI/Datacenter trade remains front and center as we head into 2026, look for more sector rotation once again next year. A recent study identified one single habit that doubled Americans’ retirement savings and moved retirement from dream, to reali ...