午评：沪指高开高走涨0.56% 证券板块走强

Market Overview - The three major indices in the A-share market collectively rose, with the Shanghai Composite Index closing at 3686.34 points, up by 0.56% [1] - The Shenzhen Component Index closed at 11518.83 points, up by 1.47% [1] - The ChiNext Index closed at 2476.99 points, up by 2.81% [1] Sector Performance Top Performing Sectors - Electronic Chemicals sector increased by 3.22%, with a total trading volume of 1003.54 million hands and a total transaction amount of 193.25 billion [1] - Securities sector rose by 2.71%, with a trading volume of 4623.09 million hands and a transaction amount of 564.01 billion [1] - Medical Services sector gained 2.12%, with a trading volume of 1052.83 million hands and a transaction amount of 250.00 billion [1] Underperforming Sectors - Port and Shipping sector decreased by 0.96%, with a trading volume of 912.54 million hands and a transaction amount of 50.73 billion [1] - Coal Mining and Processing sector fell by 0.94%, with a trading volume of 540.73 million hands and a transaction amount of 41.85 billion [1] - Aquaculture sector declined by 0.93%, with a trading volume of 457.80 million hands and a transaction amount of 47.82 billion [1]