Zheng Xing Xing Ye Ri Bao·2025-09-15 08:49Market Overview - The advertising and marketing sector experienced a decline of 0.76% on September 15, with Zitian Tui leading the drop [1] - The Shanghai Composite Index closed at 3860.5, down 0.26%, while the Shenzhen Component Index closed at 13005.77, up 0.63% [1] Stock Performance - Notable gainers included: - Diansheng Co., Ltd. (300805) with a closing price of 13.80, up 10.75% and a trading volume of 461,400 shares, totaling 616 million yuan [1] - ST Huayang (603825) closed at 10.47, up 1.55% with a trading volume of 79,000 shares, totaling 82.23 million yuan [1] - Significant losers included: - Zitian Tui (300280) which closed at 0.63, down 77.01% with a trading volume of 546,600 shares, totaling 35.66 million yuan [2] - Yuanlong Yatu (002878) closed at 20.69, down 3.72% with a trading volume of 272,700 shares [2] Capital Flow - The advertising and marketing sector saw a net outflow of 640 million yuan from institutional investors, while retail investors contributed a net inflow of 541 million yuan [2] - The overall capital flow indicates a mixed sentiment, with institutional investors withdrawing funds while retail investors increased their positions [2] Individual Stock Capital Flow - Diansheng Co., Ltd. (300805) had a net outflow of 54.11 million yuan from institutional investors, while retail investors contributed a net inflow of 55.38 million yuan [3] - Zitian Tui (300280) experienced a net inflow of 11.34 million yuan from institutional investors, but a net outflow of 1.11 million yuan from retail investors [3]