US Stocks Mixed as Yields Rise Despite Soft Inflation; Dow Drops 444

US equities closed mixed on September 30, 2026, with the S&P 500 down 0.25% and the Dow off 444 points, while the Nasdaq gained 0.24%. Treasury yields rose despite softer inflation data, suggesting market focus on growth or supply concerns rather than price pressures. European stocks also finished lower, indicating a broad risk-off tone in fixed income and equities.