Core Viewpoint - The three major indices showed mixed performance, with the Shanghai Composite Index experiencing slight fluctuations while the Shanghai 50 Index rose over 1%, and the ChiNext Index faced a pullback after an initial surge, leading to a decline of over 3% in the Sci-Tech 50 Index [1] Group 1 - The Shanghai Composite Index closed up by 0.16% [1] - The Shenzhen Component Index fell by 0.3% [1] - The ChiNext Index decreased by 0.57% [1] Group 2 - The total trading volume in the Shanghai and Shenzhen markets reached 3.23 trillion yuan, an increase of 264.6 billion yuan compared to the previous trading day [1]