趋势股上涨前，有没有共同特征？| 0730 张博划重点

Core Viewpoint - The market experienced volatility with mixed performance across major indices, highlighting investor sentiment and trading activity on July 30. Group 1: Market Performance - The Shanghai Composite Index reached a new high for the year during intraday trading [1] - The Shanghai and Shenzhen stock exchanges recorded a total trading volume of 1.84 trillion, an increase of 41.1 billion compared to the previous trading day [1] - At market close, the Shanghai Composite Index rose by 0.17%, while the Shenzhen Component Index fell by 0.77%, and the ChiNext Index declined by 1.62% [1]