美股，集体下跌！

Market Overview - On October 22, US stock indices collectively declined, with the Dow Jones falling by 334.33 points (0.71%) to 46,590.41 points, the Nasdaq dropping by 213.27 points (0.93%) to 22,740.40 points, and the S&P 500 decreasing by 35.95 points (0.53%) to 6,699.40 points [3] Technology Sector - Major tech stocks showed mixed performance, with Amazon and Apple both down over 1%, Tesla down 0.82%, and Nvidia down 0.49%. Facebook rose by 0.02%, Google increased by 0.49%, and Microsoft gained 0.56%. Notably, Netflix plummeted over 10% due to disappointing earnings [3] Tesla Financials - Tesla reported third-quarter revenue of $28.1 billion, exceeding the estimate of $26.36 billion. The operating profit for the quarter was $1.62 billion, slightly below the forecast of $1.65 billion, with a gross margin of 18.0%. The first production line for Optimus is being installed for mass production [3] Apple Developments - Apple is facing an antitrust complaint from the EU regarding App Store terms. The company has reduced production orders for the iPhone Air while increasing orders for other iPhone 17 models. The iPhone Air was officially launched in China, but market response has been lukewarm [3] Debt Levels - The US federal government debt has surpassed $38 trillion for the first time as of October 21, just over two months after reaching $37 trillion in mid-August [3] Semiconductor Sector - Semiconductor stocks experienced a broad decline, with Microchip Technology down over 4%, AMD and Intel down over 3%, ARM down over 2%, and TSMC and ASML down over 1%. Qualcomm was the only exception, gaining 0.26% [4] Banking Sector - Bank stocks collectively fell, with Citigroup down nearly 2%, Goldman Sachs, Wells Fargo, and JPMorgan down over 1%, Bank of America down 0.83%, and Morgan Stanley down 0.7% [5] Airline Sector - Airline stocks also saw a downturn, with United Airlines and Delta Air Lines down over 3%, American Airlines and Southwest Airlines down over 2%, and Boeing down 0.3% [6] International Markets - In Europe, the FTSE 100 index in London rose by 88.01 points (0.93%) to 9,515.00 points, while the CAC40 index in Paris fell by 51.99 points (0.63%) to 8,206.87 points, and the DAX index in Frankfurt decreased by 178.90 points (0.74%) to 24,151.13 points [6] Commodity Prices - As of the close, crude oil prices increased, with light crude oil futures for December rising by $1.26 to $58.50 per barrel (2.2% increase) and Brent crude oil futures for December up by $1.27 to $62.59 per barrel (2.07% increase) [6] Precious Metals - COMEX gold futures rose by 0.18% to $4,116.6 per ounce, while COMEX silver futures increased by 1% to $48.18 per ounce [7] Currency Market - The US Dollar Index fell by 0.04%, closing at 98.896 against a basket of six major currencies [8]