美联储利率决议公布在即，A500ETF基金（512050）盘中上涨0.61%，机构：降息交易较为明朗

Group 1 - The A-share market showed mixed performance with the Shanghai Composite Index down 0.02%, while the Shenzhen Component Index rose by 0.98% and the ChiNext Index increased by 2.02% as of 13:28 on September 15 [1] - The A500 ETF (512050) tracking the CSI A500 Index saw a 0.61% increase, with its constituent stock, Shengbang Co., Ltd., hitting a strong limit-up of 20% [1] - The trading volume of the A500 ETF exceeded 3.9 billion yuan, making it the top performer among similar products [1] Group 2 - The upcoming Federal Reserve meeting on September 18 is expected to result in a 92% probability of a 25 basis point rate cut, with an 8% chance of a 50 basis point cut [1] - The Bank of England is anticipated to maintain its interest rate at 4% during its policy decision on September 18, while the Bank of Canada is expected to cut rates by 25 basis points on September 17 [1] - Citic Securities noted positive macroeconomic indicators, with the U.S. August CPI meeting expectations and signs of improvement in domestic economic data [1] Group 3 - The A500 ETF (512050) employs a dual strategy of industry balanced allocation and leading stock selection, covering all 35 sub-sectors of the CSI A500 Index [2] - The ETF has a natural "barbell" investment characteristic, over-allocating to new productivity sectors such as AI, pharmaceuticals, and renewable energy compared to the CSI 300 Index [2]