减速器概念股局部回暖，南方精工涨停

Group 1 - The concept stocks related to reducers are experiencing a partial recovery, with Southern Precision (002553) hitting the daily limit up [1] - Xiangyang Bearing (000678) has increased by over 6%, indicating positive market sentiment [1] - Other companies such as Giant Wheel Intelligent (002031), Efort-U, and Zhongding Holdings (000887) are also seeing upward movement in their stock prices [1] Group 2 - There is a notable influx of dark pool funds into these stocks, suggesting increased investor interest and potential for growth [1]