The AI trade has pushed stocks to record highs, everyone feels good, and retirement accounts look great on paper—that's exactly what makes this moment dangerous. Citigroup Research recently modeled a 38% S&P 500 decline by 2027, not because AI fails, but because it works: as automation rises, white-collar wages weaken, spending slows, and the entire debt-fueled structure holding markets up starts to crack. Your retirement account doesn't need a crash to lose ground—volatility plus rising costs erode savings quietly, and by the time it shows up in your statement, it's already done the damage.