Dosilicon(SH:688110) 智通财经网·2025-07-30 12:40Core Viewpoint - Dongxin Co., Ltd. (688110.SH) has experienced a significant stock price fluctuation, with a cumulative closing price deviation of 30% over three consecutive trading days, indicating abnormal trading activity [1] Group 1: Stock Performance - The company's stock price showed a cumulative increase of 30% over the trading days of July 28, July 29, and July 30, 2025, which is classified as abnormal trading behavior according to the Shanghai Stock Exchange regulations [1] Group 2: Product Development - The company has been in the news due to its investment in Lishuan Technology (Shanghai) Co., Ltd., which recently launched its first self-developed GPU chip "7G100" and the first graphics card product Lisuan eXtreme [1] - The related chip products are currently undergoing optimization, with plans for customer sampling and mass production in the near future; however, no revenue has been generated yet [1] - The completion of chip development and subsequent sales will require product certification and customer onboarding processes [1]