减速器概念下跌3.18%，8股主力资金净流出超亿元

Group 1 - The reducer concept sector declined by 3.18%, ranking among the top declines in concept sectors, with companies like Jingjin Electric, Dongfeng Technology, and Guangyang Co. experiencing significant drops [1][2] - Among the reducer concept stocks, three companies saw price increases, with Inner Mongolia First Machinery Group rising by 1.96%, Bohai Automobile by 1.32%, and Yingboer by 0.70% [1][2] Group 2 - The reducer concept sector experienced a net outflow of 3.019 billion yuan, with 85 stocks seeing net outflows, and 8 stocks exceeding 100 million yuan in outflows [2][5] - The stock with the highest net outflow was Shanzi Gaoke, with a net outflow of 421 million yuan, followed by Wuzhou Xinchun, Shanghai Electric, and Zhongding Co. with net outflows of 163 million yuan, 134 million yuan, and 129 million yuan respectively [2][5] - The top net inflow stocks in the reducer concept included Yingboer, Inner Mongolia First Machinery Group, and Bohai Automobile, with net inflows of 20.31 million yuan, 16.07 million yuan, and 15.51 million yuan respectively [5]