Zheng Xing Xing Ye Ri Bao·2025-09-18 08:52Group 1 - The software development sector experienced a decline of 2.21% on September 18, with *ST Dongtong leading the drop [1] - The Shanghai Composite Index closed at 3831.66, down 1.15%, while the Shenzhen Component Index closed at 13075.66, down 1.06% [1] - Notable gainers in the software development sector included Xinghuan Technology, which rose by 7.65% to a closing price of 62.76, and Xinan Century, which increased by 7.42% to 15.50 [1] Group 2 - *ST Dongtong saw a significant decline of 19.88%, closing at 2.70, with a trading volume of 112,900 shares [2] - The sector experienced a net outflow of 7.379 billion yuan from institutional funds, while retail investors contributed a net inflow of 5.749 billion yuan [2] - Major stocks that faced declines included Anbotong, which fell by 8.92% to 67.68, and Dazhihui, which decreased by 8.83% to 15.48 [2]