被证监会立案，恒信东方大跌近19%，跌幅居市场首位

Core Points - Hengxin Dongfang (300081.SZ) experienced a significant drop of nearly 19%, leading the market decline, with a current price of 5.82 yuan and a total market capitalization of 3.52 billion yuan [1] - The company received a "Notice of Investigation" from the China Securities Regulatory Commission (CSRC) due to suspected violations of information disclosure regulations, resulting in an official investigation [1] - Hengxin Dongfang has conducted a self-examination regarding potential violations of information disclosure and found accounting errors in its 2022 annual report, which have been adjusted using the retrospective restatement method [1]