Group 1 - The closing price of Nanwei Co., Ltd. on July 29 was 6.75 yuan, down 0.25 yuan from the previous trading day [1] - The opening price on the same day was 6.93 yuan, with a highest price of 7.19 yuan and a lowest price of 6.68 yuan, resulting in a trading volume of 149,356 hands and a transaction amount of 1.03 billion yuan [1] - The company operates in the medical device industry, focusing on the research, production, and sales of disposable medical consumables, including products like adhesive bandages, medical tape, bandages, and dressings, primarily used in clinical and home care settings [1] Group 2 - Around 9:35 AM on July 29, the stock price of Nanwei Co., Ltd. rebounded over 2% within 5 minutes, reaching a price of 7.06 yuan [1] - On the same day, the net outflow of main funds was 4.282 million yuan, accounting for 0.22% of the circulating market value [1]