Group 1 - The core viewpoint of the article highlights the strong performance of Hangya Technology's stock on August 4, with a closing price of 27.03 yuan, an increase of 2.72 yuan from the previous trading day [1] - On August 4, the stock opened at 24.28 yuan, reached a high of 27.48 yuan, and a low of 24.25 yuan, with a trading volume of 194,100 hands and a transaction amount of 510 million yuan [1] - Hangya Technology specializes in the research, production, and sales of key components for aircraft engines and medical orthopedic implants, making it one of the few domestic companies capable of manufacturing critical components for aircraft engines [1] Group 2 - On August 4, the aerospace sector showed strong performance, with the industry index rising by 4.56%. Research institutions suggest that upstream component and key raw material companies in the aerospace equipment supply chain are likely to benefit from demand transmission effects [1] - In terms of capital flow, Hangya Technology experienced a net outflow of 17.47 million yuan on August 4, with a cumulative net outflow of 12.66 million yuan over the past five trading days [1]