A股蛇年收官周：超4600股普涨，沪指收复4100点失地

Market Performance - The A-share market continued its positive trend, with the Shanghai Composite Index breaking through the 4100-point mark, closing at 4123.09 points, a gain of 1.41% [3] - The Shenzhen Component Index and the ChiNext Index performed even better, rising by 2.17% and 2.98% respectively, indicating a strong bullish sentiment across the market [3] - The total trading volume in the Shanghai and Shenzhen markets reached 2.25 trillion yuan, an increase of 103.8 billion yuan from the previous trading day, reflecting high investor participation [3] Sector Performance - Over 4600 stocks rose, showcasing a broad-based rally, with the technology sector being the standout performer, particularly in the AI industry chain [3] - Stocks such as Zhongwen Online, Rongxin Culture, and Haikan Co. saw significant gains, with some hitting the daily limit [3] - The photovoltaic sector also maintained its momentum, with stocks like GCL-Poly Energy achieving four consecutive trading limit ups, driven by favorable domestic and international factors [3] - The commercial aerospace concept stocks also saw gains, while oil and gas sectors lagged behind [3] Global Market Influence - U.S. stock indices rebounded, with the Nasdaq up by 2.18%, the Dow Jones by 2.47%, and the S&P 500 by 1.97%, contributing to a positive sentiment in the Asian markets [4] - The Nikkei index surged by 5.68% before closing at a 3.89% increase, while the KOSPI index rose by 4.58%, indicating a strong performance across the Asia-Pacific region [4]