Market Performance - The stock market experienced significant declines, with the S&P 500, Nasdaq Composite, and Russell 2000 recording their worst daily performances since April 10, following a tariff-driven selloff [1] - The Dow Jones Industrial Average also faced its worst performance since May [1] Gold Market - Gold has achieved its eighth consecutive week of gains, marking the largest bull rally in precious metals in decades [2] Economic Data Impact - The ongoing government shutdown is expected to result in the absence of key economic data releases, including import prices, retail sales, hourly earnings, and jobless claims [2] - The Federal Open Market Committee will enter a blackout period for its October meeting without crucial economic data due to the shutdown [3] Earnings Season - The third quarter earnings season is set to begin, with major banks like JP Morgan Chase, Goldman Sachs, and Wells Fargo reporting results [4] - Other significant companies to watch include Johnson & Johnson and Domino's on Tuesday, and Taiwan Semiconductor Manufacturing on Thursday [4] Government Shutdown Effects - The impact of the government shutdown on major stock indices has been described as "de minimis" by Deutsche Bank, indicating a muted effect on the market [5] - The healthcare sector is highlighted as the most affected area during the shutdown negotiations, particularly regarding Affordable Care Act subsidies [5]