【新华500】新华500指数（989001）28日跌0.59%

Group 1 - The Xinhua 500 Index (989001) closed at 5178.51 points on October 28, down 30.64 points, representing a decline of 0.59% [1][3] - The index opened lower in the morning, experienced slight upward movement before noon, but saw a significant decline in the afternoon, closing with notable losses [3][4] - The index reached a high of 5226.50 points and a low of 5163.62 points during the trading session, with a total trading volume of 811.2 billion yuan, which was significantly lower than the previous trading day [4] Group 2 - Among the constituent stocks, Fangda Carbon, Quartz Shares, and Dufu Dufu hit approximately 10% limit up, while companies like Sanhua Intelligent Control, Fuyao Glass, and Zhongcai Technology rose over 6% [4] - Conversely, Tongling Nonferrous Metals hit approximately 10% limit down, with significant adjustments seen in companies such as Desay SV Automotive, Huayou Cobalt, and Jiangxi Copper [4]