央行宣布降息、降准，银行ETF天弘（515290）盘中走强，机构：银行息差短期承压但存款成本优化形成支撑

Group 1 - The A-share market showed active trading on May 7, with the banking sector experiencing a strong rebound, as evidenced by the China Securities Banking Index rising over 0.6% [1] - Notable individual bank stocks included Xi'an Bank, which rose over 2%, and several others such as Everbright Bank, Qilu Bank, Zijin Bank, Zhengzhou Bank, and Industrial Bank, all increasing by over 1% [1] - The Tianhong Bank ETF (515290) tracked the China Securities Banking Index and saw a rise of over 0.5%, with a trading volume exceeding 10 million yuan, indicating strong investor interest [1] Group 2 - The People's Bank of China announced a 0.5 percentage point reserve requirement ratio cut, injecting approximately 1 trillion yuan into the market, along with a 0.1 percentage point reduction in policy interest rates [1] - The central bank also optimized two monetary policy tools to support the capital market, merging the quotas for securities fund insurance company swaps and stock repurchase loans to a total of 800 billion yuan [1] - Recent reports from Xiangcai Securities and China Galaxy Securities suggest that structural financial policies and macroeconomic support will stabilize credit growth in banking, with expectations of improved bank performance despite short-term pressure on interest margins [2][2]