SUNSEA(SZ:002313) Zheng Xing Xing Ye Ri Bao·2025-09-15 08:49Market Overview - On September 15, the communication equipment sector declined by 1.72%, with Daysea Intelligent 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 in the communication equipment sector included: - Yuandun Quantum (688027) with a closing price of 318.98, up 9.94% on a trading volume of 59,200 shares and a turnover of 1.86 billion [1] - Cambridge Technology (603083) closed at 109.00, up 7.40% with a trading volume of 646,600 shares and a turnover of 7.09 billion [1] - Sega Technology (002796) closed at 18.26, up 4.94% with a trading volume of 407,200 shares and a turnover of 730 million [1] - Major decliners included: - Daysea Intelligent (002313) closed at 12.30, down 4.95% with a trading volume of 420,000 shares [2] - Dingtong Technology (688668) closed at 105.50, down 4.83% with a trading volume of 82,100 shares [2] - ST Gaohong (000851) closed at 0.60, down 4.76% with a trading volume of 156,000 shares [2] Capital Flow - The communication equipment sector experienced a net outflow of 5.995 billion from institutional investors, while retail investors saw a net inflow of 3.69 billion [2][3] - Notable capital flows included: - High New Star (300098) with a net inflow of 71.71 million from institutional investors [3] - Hengbao Co. (002104) with a net inflow of 61.26 million from institutional investors [3] - Yuandun Quantum (688027) with a net inflow of 43.24 million from institutional investors [3]