The bedrock of modern investing—the classic 60/40 stock-bond portfolio—may no longer be the safe haven investors once trusted. Since the pandemic began, stocks and bonds have increasingly moved in lockstep during market stress. This has eroded decades of conventional diversification and created a new playing field of risk for institutional and retail investors alike. Why Stocks and Bonds No Longer Cushion Portfolios: The Rise of Gold and Silver The International Monetary Fund (IMF) warns that this break ...