【开盘】上证指数高开0.14%，创业板指涨0.2%，贵金属、小金属板块走强

Market Overview - On September 16, A-shares opened higher across the board, with the Shanghai Composite Index rising by 0.14% and the ChiNext Index increasing by 0.2% [1] - The precious metals and small metals sectors showed strong performance, while sectors such as rare earths, photovoltaics, and agriculture experienced declines [1] Monetary Policy - The People's Bank of China announced a 287 billion yuan reverse repurchase operation for 7 days at a fixed rate of 1.40%, with a total bid amount of 287 billion yuan and a successful bid amount of 287 billion yuan [1] - On the same day, 247 billion yuan of reverse repos matured, resulting in a net injection of 40 billion yuan [1] Margin Trading - The margin trading balance in the two markets increased by 18.43 billion yuan, totaling 2369.99 billion yuan [2]