1. A potential U.S. government shutdown by October 1 threatens furloughs for federal employees and delays in critical economic data releases, including September's non-farm payrolls; 2. Delayed inflation data could complicate the Federal Reserve's interest rate decisions ahead of its October meeting; 3. Historical trends suggest limited market impact from shutdowns, but current high valuations and low volatility indices like the VIX leave markets vulnerable to sudden swings, with analysts viewing any weakness as a buying opportunity.