news flash·2025-07-28 03:33Core Viewpoint - A-shares experienced fluctuations in the morning session, with the ChiNext index rising over 1% at one point, while the Shanghai Composite Index briefly surpassed 3600 points before retreating [1] Market Performance - The three major stock indices opened near flat, dipped, and then strengthened, but collectively retreated before the noon close, with the Shanghai Composite Index down 0.17% and the Shenzhen Component down 0.16%, while the ChiNext index rose 0.10% [1] - The total trading volume in the Shanghai and Shenzhen markets exceeded 1 trillion yuan, with over 3500 stocks in the green [1] Sector Performance - The film and theater, PEEK materials, insurance, and brokerage sectors showed significant gains, while coal, non-ferrous metals, and hydropower concept stocks experienced declines [1] - A particular highlight was the stock of Shangwei New Materials, which surged over 15%, marking a year-to-date increase of over 1000%, making it the first stock to achieve a tenfold increase in 2025 [1]