GUOTAI HAITONG SECURITIES·2025-10-21 11:14Group 1 - The report focuses on tracking large purchases and net active buying through transaction data to identify potential investment opportunities [1][2] - The top five stocks with the highest large purchase amounts over the last five trading days (October 13 to October 17, 2025) are: Asia-Pacific Pharmaceutical, Guosheng Technology, Anke Technology, Huayuan Holdings, and Delixi [5][8] - The top five stocks with the highest net active buying amounts during the same period are: Hu Nong Commercial Bank, Youngor, Guotou Power, Shandong Highway, and Jiangyin Bank [5][10] Group 2 - The top five industries with the highest large purchase amounts are: Comprehensive, Banking, Steel, Coal, and Transportation [5][13] - The top five industries with the highest net active buying amounts are: Banking, Steel, Coal, Transportation, and Agriculture, Forestry, Animal Husbandry, and Fishery [5][13] Group 3 - The top five ETFs with the highest large purchase amounts are: Guotai Shanghai Stock Exchange State-owned Enterprise Dividend ETF, Fortune CSI Tourism Theme ETF, Huatai-PB Shanghai Stock Exchange Dividend ETF, Huaxia CSI Tourism Theme ETF, and Huaxia CSI 1000 ETF [5][15] - The top five ETFs with the highest net active buying amounts are: Huatai-PB Dividend Low Volatility ETF, Huabao CSI Banking ETF, Guotai CSI Animal Husbandry ETF, Huitianfu CSI Major Consumption ETF, and Guotai Shanghai Stock Exchange State-owned Enterprise Dividend ETF [5][16]