探底回升，科技、医疗跌幅居前，银行、消费逆势收涨

Group 1 - The Hang Seng Index experienced a sharp decline after opening, followed by a rebound, closing with a slight decrease of 0.07% [1] - The Hang Seng Technology Index opened significantly lower, fluctuating throughout the day, and closed down 1.01%, with notable declines in stocks such as BYD down 1.75% and Bilibili down 4.09% [3] - The Hang Seng Medical Index opened with a deep V shape and maintained a weak consolidation below the midline, closing down 0.6%, with JD Health down 1.32% and WuXi AppTec up 2% [3] Group 2 - Bank stocks opened low but rose throughout the day, closing with a slight increase of 0.03%, with Chongqing Bank and Agricultural Bank both up 1.33% [3] - Other banks such as Zhengzhou Bank, Bank of Communications, and China Merchants Bank saw minor gains, while Qingdao Bank and Bank of China experienced declines [3]