【新华500】新华500指数（989001）3日涨1.52%

Group 1 - The Xinhua 500 Index (989001) closed at 5255.84 points on February 3, with an increase of 1.52% [1] - During the trading session on February 3, the index opened high but experienced a pullback, briefly turning negative before rising significantly in the afternoon [2] - The index reached a high of 5257.71 points and a low of 5156.15 points during the day, with a total trading volume of 953.1 billion yuan, which was a decrease compared to the previous trading day [2] Group 2 - Notable gainers among the constituent stocks included Jingcheng Machinery Electric, JinkoSolar, Maiwei Co., and Xingyu Co. [2] - Conversely, stocks such as Huatai Securities, Small Commodity City, Bank of China, and Wentai Technology experienced significant declines [2]