CONTEC MEDICAL SYSTEMS CO. (SZ:300869) news flash·2025-07-25 03:39Market Overview - The A-share market showed a downward trend in the morning session, with the Shanghai Composite Index falling by 0.34%, the Shenzhen Component Index down by 0.29%, and the ChiNext Index decreasing by 0.32% [1] - The total trading volume in the Shanghai and Shenzhen markets reached 1.11 trillion yuan, a decrease of 94.5 billion yuan compared to the previous trading day [1] Sector Performance - The medical device sector performed notably well, with Kangtai Medical hitting the daily limit up [1] - The education sector, led by Huawei Ascend, also saw significant gains, with companies like Zhizhen Technology and Duolun Technology both reaching the daily limit up, and China High-Tech and Angli Education rising over 5% [1] - Conversely, the Hainan Free Trade Zone experienced a pullback, with companies like Xinlong Holdings and Shennong Seed Industry dropping over 8% [1] - Other sectors such as pumped storage, civil explosives, duty-free shops, cement, and liquor also faced declines, with Huaxin Cement falling over 9%, Lishang Guochao down nearly 6%, and Huzhou Laojiao dropping over 2% [1]