[U.S. September Unemployment Rate at 4.2%, Higher Than Expected and Previous Value] The U.S. September unemployment rate was 4.2%, compared to the expected 4.1% and the previous value of 4.10%. (Source: Jinshi) AI Interpretation: The unexpected rise in the unemployment rate disrupts the expectation of a persistently tight labor market, directly weakening the certainty of a soft economic landing. This change in data forces the market to reassess the fragility of the employment sector and significantly increases the necessity for the Federal Reserve to adopt precautionary rate cuts. The cooling of the employment environment directly alters the logic of monetary policy dynamics, and market pricing for easing policies will heat up rapidly. This indicator clearly signals a weakening momentum in economic growth, providing strong support for subsequent policy shifts.