毅昌科技（002420）8月13日主力资金净流入1274.41万元

Group 1 - The core viewpoint of the news is that Yichang Technology (002420) has shown a mixed performance in its latest financial results, with significant revenue growth but a sharp decline in net profit [1] - As of August 13, 2025, Yichang Technology's stock closed at 6.9 yuan, down 0.14%, with a trading volume of 225,400 hands and a transaction amount of 155 million yuan [1] - The company's latest quarterly report indicates total operating revenue of 718 million yuan, a year-on-year increase of 25.47%, while net profit attributable to shareholders decreased by 59.42% to 21.89 million yuan [1] Group 2 - Yichang Technology has made investments in 24 companies and participated in 64 bidding projects, indicating active engagement in business expansion [2] - The company holds 106 trademark registrations and 444 patents, showcasing its focus on intellectual property and innovation [2] - Yichang Technology has 92 administrative licenses, reflecting its compliance and operational capabilities in the industry [2]