"That's the primary reason why bonds are back, regardless of what central banks do in 2026,†Vanguard added. "Importantly, U.S. fixed income should also provide diversification in a world where AI disappoints, leading to lower growth—a scenario with odds that we calculate to be 25%–30%.†ETFs to Consider ETFs offer the easiest pathway for bond exposure compared to single debt issues. With that said, the ideal fund to consider for those that simply want it all, the Vanguard Total Bond Market ETF (BND) offe ...