光刻机概念涨2.49%，主力资金净流入这些股

Core Viewpoint - The lithography machine concept sector experienced a 2.49% increase, ranking 9th among concept sectors, with significant movements in individual stocks [1]. Group 1: Stock Performance - Among the lithography machine concept stocks, 29 stocks rose, with China Shipbuilding Gas reaching a 20% limit up, followed by Kai Mei Teqi and Hai Li Co., both hitting the limit up as well [1]. - Notable gainers included Huate Gas, Baiao Chemical, and Zhongrun Optics, which increased by 12.56%, 5.01%, and 4.38% respectively [1]. - Conversely, stocks like Juguang Technology, Jiuri New Materials, and Zhangjiang High-Tech saw declines of 3.65%, 1.91%, and 1.70% respectively [1]. Group 2: Capital Flow - The lithography machine concept sector saw a net outflow of 479 million yuan from main funds, with 17 stocks experiencing net inflows [2]. - The top stock for net inflow was Dazhu Laser, which attracted 255.49 million yuan, followed by China Shipbuilding Gas and Kai Mei Teqi with net inflows of 160.48 million yuan and 127.59 million yuan respectively [2]. - The net inflow ratios for Kai Mei Teqi, China Shipbuilding Gas, and Yongxin Optics were 15.64%, 11.67%, and 8.76% respectively [3]. Group 3: Trading Metrics - Dazhu Laser had a trading increase of 2.68% with a turnover rate of 11.75% and a net inflow ratio of 6.47% [3]. - China Shipbuilding Gas showed a significant increase of 20.01% with a turnover rate of 21.41% and a net inflow ratio of 11.67% [3]. - Kai Mei Teqi rose by 10.04% with a turnover rate of 7.97% and a net inflow ratio of 15.64% [3].