午盘：美股维持下跌局面 道指跌逾100点

Market Overview - The Dow Jones Industrial Average (DJIA) fell by 114.15 points, a decrease of 0.24%, closing at 48,252.91 points, while the Nasdaq Composite dropped by 45.60 points, down 0.19%, to 23,373.48 points, and the S&P 500 index declined by 15.54 points, a 0.23% drop, ending at 6,880.70 points [3][10] - Despite the recent declines, the S&P 500 is projected to achieve a 17% increase for the year, marking its third consecutive year of double-digit annual gains [3][10] Sector Performance - The Nasdaq Composite has benefited from the AI boom, showing a year-to-date increase of 21% [3][10] - In 2025, the narrative around AI has diversified, with performance spreading to other sectors, and the so-called "Magnificent Seven" stocks showing varied results [5][13] - Alphabet, Google's parent company, has emerged as a significant winner with a year-to-date increase exceeding 65%, while Amazon's performance lagged with only about a 6% increase [6][13] Economic Indicators - Initial jobless claims for the week ending December 27 were reported at 199,000, the lowest since November 29, and below the market expectation of 220,000 [6][14] - The trend indicates a stable employment environment with fewer layoffs, as initial claims have decreased over the past four weeks [7][14] - The number of continuing claims also fell by 47,000 to 1.87 million [15]