【新华500】新华500指数（989001）18日跌0.74%

Core Points - The Xinhua 500 Index (989001) closed at 5043.65 points on November 18, with a decline of 0.74% [1] - The index experienced a slight adjustment, reaching a high of 5086.81 points and a low of 5025.79 points during the trading session [1] - The total trading volume of constituent stocks for the day was reported at 578.9 billion yuan [1] Company Performance - Shiji Information reached the daily limit up, while Beifang Huachuang, Langxin Group, and 360 Security Technology saw significant gains [3] - New Zobang led the decline among constituent stocks, falling by 11.22%, with Tianqi Lithium, Duofuduo, and Putailai also hitting the daily limit down [3]