A股低开高走全线收涨，多只航空股连板

Market Performance - Major A-share indices opened lower but closed higher, with the ChiNext Index leading the gains, closing up 1.65% [1] - The Shanghai Composite Index rose by 0.28% to 3352 points, while the Shenzhen Component Index increased by 0.93% [1] - Total trading volume for the day was 1.32 trillion yuan, a decrease of 183.3 billion yuan compared to the previous trading day [1] - Over 3800 stocks rose in the market, indicating a broad-based rally [1] Sector Performance - The aerospace and military sector continued its upward trend, with AVIC Chengfei hitting a 20% limit up and Runbei Aerospace achieving four consecutive trading limit ups [2] - Runbei Aerospace confirmed that there were no significant undisclosed matters affecting its stock price, and its operational status remains normal [2] - Huawei's HarmonyOS concept stocks surged, with the HarmonyOS index rising over 2%, and individual stocks like ST Dongtong and Dongfang Zhongke hitting their daily limit up [2] Upcoming Events - The HarmonyOS computer is set to be officially launched on May 19, with the Huawei Developer Conference scheduled for June 20-22, 2025 [3] - The conference will allow participants to experience the latest version of HarmonyOS, which is expected to play a crucial role in Huawei's ecosystem [3] - Analysts believe that the HarmonyOS PC is a significant component of Huawei's broader ecosystem strategy, potentially reshaping the global operating system market [3]