新华500指数（989001）4日涨0.76%

Core Viewpoint - The Xinhua 500 Index (989001) closed at 5296.02 points on February 4, reflecting a gain of 0.76% [1]. Group 1: Index Performance - The Xinhua 500 Index opened lower on the morning of February 4, experienced fluctuations throughout the day, and saw a slight increase in the afternoon [2]. - The index reached a high of 5299.59 points and a low of 5231.48 points during the trading session [2]. - The total trading volume of constituent stocks was reported at 895.7 billion yuan, which is a decrease compared to the previous trading day [2]. Group 2: Constituent Stocks - Notable gainers among the constituent stocks included JinkoSolar, Jingcheng Machinery Electric, Jianlong Hardware, and Yanzhou Coal Mining [2]. - Stocks that experienced significant declines included Lanke Technology, Perfect World, Dongshan Precision, and Zhongji Xuchuang [2].