A股收评：沪指上涨0.87%收获开门红，超4000只个股上涨

Group 1 - The A-share market experienced a collective rise on the first trading day after the holiday, with the Shanghai Composite Index increasing by 0.87% [1] - The Shenzhen Component Index rose by 1.36%, while the ChiNext Index saw an increase of 0.99% [1] - The North China 50 Index gained 0.37%, indicating a positive trend across major indices [1] Group 2 - The total trading volume in the Shanghai, Shenzhen, and Beijing markets reached 22,182 billion yuan, which is an increase of 2,192 billion yuan compared to the previous trading day [1] - More than 4,000 individual stocks across the three markets experienced price increases, reflecting broad market participation [1]