Group 1 - The stock price of Yingtong Communications fell by 2.08% to 19.80 yuan, with a trading volume of 96.36 million yuan and a turnover rate of 3.24%, resulting in a total market capitalization of 3.688 billion yuan [1] - The main funds experienced a net outflow of 4.73 million yuan on the same day, marking a continuous net outflow trend for three days, with a cumulative net outflow of 24.43 million yuan over the past five days, indicating short-term pressure on capital [1] - The stock price is approaching a resistance level of 20.12 yuan, with an average cost of shares at 19.68 yuan; a breakthrough of the resistance level could initiate an upward trend, but caution is advised regarding potential pullback risks [1] Group 2 - On February 26, 2026, Yingtong Communications announced that its wholly-owned subsidiary obtained a patent for "a positioning welding device for ultra-fine coaxial wire," which will enhance the company's intellectual property protection system and improve long-term core competitiveness, although it will not have a significant short-term impact on production and operations [2] - The company continues to focus on emerging sectors such as wireless headphones and AI hardware, supported by a previously announced capacity expansion project for wireless headphones in October 2025, which will provide support for future growth [2]

Group 1 - The company, Yingtong Communications, announced that its wholly-owned subsidiaries, Dongguan Kailai Electronics Co., Ltd., Pu Bei Yingtong Intelligent Electronics Co., Ltd., and Hubei Xingxin Precision Electronics Co., Ltd., have recently obtained a patent certificate from the National Intellectual Property Administration for an invention titled "A Device for Positioning and Welding Ultra-Fine Coaxial Wires" [1]