被证监会立案，601162开盘大跌

Group 1 - Tianfeng Securities opened nearly 9% lower due to being investigated by the China Securities Regulatory Commission for suspected violations of information disclosure and illegal financing [2] - The stock price of Tianfeng Securities was reported at 4.40 CNY, reflecting a decrease of 0.43 CNY or 8.90% [3] - The company has a debt ratio of 75.30% and a net profit margin of 12.22% [3] Group 2 - The A-share market opened with all three major indices rising, with the Shanghai Composite Index up 0.14%, the Shenzhen Component Index up 0.42%, and the ChiNext Index up 0.26% [4][5] - The industrial metal sector saw multiple stocks open higher, with silver and non-ferrous metals rising over 7% and 6% respectively [2][6] - The People's Bank of China conducted a 1,076 billion CNY reverse repurchase operation with an interest rate of 1.4% [4]