A股午评：创业板指跌2.37%，农业银行创历史新高

Market Overview - The market experienced a downward trend in early trading, with the Shenzhen Composite Index and ChiNext Index dropping over 2% at one point. By the end of the morning session, the Shanghai Composite Index fell by 1%, the Shenzhen Composite Index by 1.99%, and the ChiNext Index by 2.37% [1] Sector Performance - The port and shipping sector continued to show strength, with Haitong Development achieving a second consecutive trading limit increase. Defensive sectors, including coal and gas stocks, performed well, with Dayou Energy hitting five trading limits in six days and Guo New Energy achieving three trading limits in four days [1] - The banking sector saw fluctuations, with Agricultural Bank of China rising over 2% to reach a historical high [1] Declining Stocks - The data center power supply concept faced significant declines, with stocks like Igor and Zhongheng Electric hitting the trading limit down. Additionally, several heavyweight stocks, including Sungrow Power and ZTE, experienced substantial drops [2] Trading Volume - The total trading volume for the Shanghai and Shenzhen markets reached 1.18 trillion yuan, a decrease of 32.6 billion yuan compared to the previous trading day [3] Individual Stock Highlights - Sungrow Power led in trading volume with over 11.6 billion yuan, followed by ZTE, Zhongji Xuchuang, and Sanhua Intelligent Control, which also had high trading volumes [4]