软件开发板块9月22日涨1.41%，纬德信息领涨，主力资金净流出3.47亿元

Market Overview - On September 22, the software development sector rose by 1.41% compared to the previous trading day, with Weide Information leading the gains [1] - The Shanghai Composite Index closed at 3828.58, up 0.22%, while the Shenzhen Component Index closed at 13157.97, up 0.67% [1] Stock Performance - Notable decliners in the software development sector included: - ST Dongtong (300379): Closed at 1.96, down 14.78% with a trading volume of 1.7699 million shares and a turnover of 364 million yuan - Zhongcheng Technology (835207): Closed at 25.66, down 4.33% with a trading volume of 26,800 shares and a turnover of 70.0692 million yuan - Youkeshu (300209): Closed at 6.13, down 4.07% with a trading volume of 524,800 shares and a turnover of 324 million yuan [1] Capital Flow - The software development sector experienced a net outflow of 347 million yuan from institutional investors and 362 million yuan from speculative funds, while retail investors saw a net inflow of 709 million yuan [1] - Detailed capital flow for selected stocks showed: - Zhongdian Xilong (002298): Institutional net inflow of 3.51 billion yuan, retail net outflow of 1.73 billion yuan - Zhina Zhen (300803): Institutional net inflow of 279 million yuan, retail net outflow of 18 million yuan [2]