美股三大股指全线收跌，META跌超11%

Market Overview - On October 30, US stock indices closed lower, with the Dow Jones down 0.23% at 47,522.12 points, the S&P 500 down 0.99% at 6,822.34 points, and the Nasdaq down 1.57% at 23,581.14 points [1] - The major technology stocks mostly declined, with the Wind US Technology Seven Giants Index falling 2.15% [3] Technology Sector - META Platforms saw a significant drop of over 11%, while Tesla fell over 4%, Amazon dropped over 3%, Microsoft declined nearly 3%, and Nvidia decreased over 2%. Apple, however, experienced a slight increase [3][4] - META reported Q3 revenue of $51.24 billion, a 26% year-on-year increase, but net profit plummeted 83% from $15.69 billion to $2.71 billion. The company plans to raise at least $25 billion through bond issuance [4] Apple Inc. - Apple reported Q4 FY2025 (Q3 2025) earnings that exceeded market expectations, with revenue of $102.47 billion, a year-on-year increase of 7.94%, and net profit of $27.47 billion, a growth of 86.39% [6] - iPhone sales and service revenue showed growth, with iPhone revenue at $49.03 billion compared to $46.22 billion in the same period last year [6] - Apple's stock closed at $271.40, with a market capitalization of $4.03 trillion, and saw a post-market price increase of over 5% [6] Chinese Stocks - Chinese concept stocks mostly declined, with the Nasdaq Golden Dragon China Index down 1.88%. Notable declines included Xiaoma Zhixing down nearly 7% and Century Internet down over 5% [5][6] Precious Metals - International precious metal futures generally rose, with COMEX gold futures up 0.94% at $4,038.30 per ounce and COMEX silver futures up 1.71% at $48.73 per ounce [8] European Central Bank - The European Central Bank decided to maintain its three key interest rates unchanged, keeping the deposit facility rate at 2.00%, the main refinancing rate at 2.15%, and the marginal lending rate at 2.40% [11]