噪声防治概念涨3.32%，主力资金净流入这些股

Group 1 - The noise control concept sector increased by 3.32%, ranking 9th among concept sectors, with 16 stocks rising, including Tian Sheng New Materials which hit a 20% limit up [1][2] - The leading stocks in the noise control sector included Xin Zhu Co., Xiang Yuan New Materials, and Wei Ye Co., which rose by 5.96%, 4.20%, and 3.85% respectively [1][2] - The sector saw a net inflow of 0.63 billion yuan from main funds, with Tian Sheng New Materials receiving the highest net inflow of 73.88 million yuan [2][3] Group 2 - The top stocks by net inflow ratio included Tian Sheng New Materials at 30.18%, Gao Ling Information at 10.92%, and Xin Zhu Co. at 7.32% [3][4] - The trading volume for Tian Sheng New Materials was 11.99%, indicating strong market interest [3][4] - Other notable stocks in the sector included Longhua Technology and Xiang Yuan New Materials, with net inflows of 6.54 million yuan and 5.24 million yuan respectively [3][4]