Zheng Xing Xing Ye Ri Bao·2026-01-29 09:03Market Overview - The infrastructure sector experienced a decline of 0.17% on January 29, with Guosheng Technology leading the drop [1] - The Shanghai Composite Index closed at 4157.98, up 0.16%, while the Shenzhen Component Index closed at 14300.08, down 0.3% [1] Individual Stock Performance - Chengbang Co., Ltd. (603316) saw a closing price of 14.02, with an increase of 4.63% and a trading volume of 283,200 shares, totaling a transaction value of 405 million yuan [1] - Yingfan Technology (001396) closed at 44.55, up 4.19%, with a trading volume of 44,700 shares and a transaction value of 195 million yuan [1] - Guosheng Technology (603778) reported a significant decline of 9.44%, closing at 13.82, with a trading volume of 1,131,400 shares and a transaction value of 1.613 billion yuan [2] Capital Flow Analysis - The infrastructure sector experienced a net outflow of 2.431 billion yuan from major funds, while retail investors saw a net inflow of 1.502 billion yuan [2] - Major funds showed a net inflow in Chengbang Co., Ltd. (603316) of 55.093 million yuan, while retail investors had a net outflow of 29.029 million yuan [3] - The overall capital flow indicates a mixed sentiment, with institutional investors pulling back while retail investors are more active in the market [2][3]