Walmart's sales miss plus a 5.244% 30-year Treasury yield signal stagflation risk

On August 20, 2026, the Dow fell 0.86%, S&P 500 0.44%, and Nasdaq 0.92%. The 30-year Treasury yield rose 3.5 basis points to 5.244% while Walmart dropped 8.6% after missing comparable sales estimates. Rising borrowing costs from fiscal spending and inflation concerns are pressuring consumer demand before constraining supply-side inflation — a stagflationary signal worth watching.