券商ETF（159842）飘红，天风证券涨超2%，机构：看好配置力量+业绩改善双轮驱动带来的投资机会

Group 1 - The A-share market opened higher on October 21, with the securities sector showing slight activity, particularly the broker ETF (159842) which rose by 0.17% [1] - The broker ETF has seen a continuous net inflow of funds for nine consecutive trading days, accumulating over 1.1 billion yuan [1] - Tianfeng Securities announced the cancellation of 67.787 million repurchased shares, which is 0.67% of the total shares before cancellation, reducing the total share capital from 10.142 billion shares to 10.074 billion shares [1] Group 2 - Guotai Haitong Securities expects a rapid growth in the performance of listed brokerages in Q3 2025, with a year-on-year increase in net profit attributable to shareholders of 58.63% [2] - The continuous inflow of incremental funds into the market is being driven by a new assessment method for insurance companies, which is expected to enhance their equity positions and benefit undervalued blue-chip stocks [2] - In the context of increased retail investor participation, it is recommended to focus on stocks with strong performance elasticity in Q3 [2]