光刻机概念涨3.28%，主力资金净流入30股

Group 1 - The lithography machine concept sector rose by 3.28%, ranking fifth among concept sectors, with 41 stocks increasing in value, including Meike Technology which hit the daily limit up of 20% [1] - Notable gainers in the sector included Huachen Equipment, Fuchuang Precision, and Zhongrun Optical, with increases of 9.63%, 9.39%, and 8.61% respectively [1] - The sector experienced a net inflow of 949 million yuan from main funds, with 30 stocks receiving net inflows, and 7 stocks exceeding 100 million yuan in net inflow [1] Group 2 - The top stocks by net inflow included Dazhu Laser with a net inflow of 190 million yuan, followed by Jingfang Technology, Tengjing Technology, and Xinlai Materials with net inflows of 187 million yuan, 170 million yuan, and 158 million yuan respectively [1] - The highest net inflow ratio was seen in *ST and Ke, Meike Technology, and Hongtian Co., with net inflow ratios of 95.45%, 15.68%, and 11.16% respectively [2] - The trading volume and turnover rates for key stocks in the lithography machine sector showed significant activity, with Dazhu Laser at a turnover rate of 5.66% and Jingfang Technology at 11.26% [2][3]