轨交设备板块9月22日跌0.51%，工大高科领跌，主力资金净流出1.37亿元

Market Overview - On September 22, the rail transit equipment sector declined by 0.51%, with Gongda High-Tech leading the drop [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 gainers in the rail transit equipment sector included: - Zhonghe Technology (Code: 000925) with a closing price of 7.94, up 1.79% and a trading volume of 279,600 shares [1] - Yonghui Electric (Code: 300351) with a closing price of 18.11, up 1.17% and a trading volume of 94,300 shares [1] - Bidetech (Code: 605298) with a closing price of 49.38, up 1.11% and a trading volume of 106,700 shares [1] - Conversely, Gongda High-Tech (Code: 688367) experienced the largest decline, closing at 19.60, down 5.95% with a trading volume of 61,500 shares [2] Capital Flow - The rail transit equipment sector saw a net outflow of 137 million yuan from institutional investors, while retail investors contributed a net inflow of 119 million yuan [2] - The detailed capital flow for selected stocks showed: - Zhonghe Technology had a net inflow of 20.92 million yuan from institutional investors [3] - Bidetech experienced a net outflow of 13.26 million yuan from retail investors [3] - Yonghui Electric had a significant net inflow of 26.51 million yuan from retail investors [3]