A股光刻机股走强，泰和科技、凯美特气涨停

Group 1 - The A-share market's photolithography machine sector has shown strong performance, with several stocks hitting their daily limit up or experiencing significant gains [1] - Taihe Technology (300801) reached a limit up of 19.99%, with a total market capitalization of 65.94 billion and a year-to-date increase of 91.48% [2] - Su Dawei Ge (300331) rose by 13.43%, with a market cap of 84.86 billion and a year-to-date increase of 51.09% [2] - Kaimeteqi (002549) saw a 10% increase, with a market cap of 122 billion and a year-to-date increase of 185.32% [2] - Jingrui Electric Materials (300655) increased by 9%, with a market cap of 140 billion and a year-to-date increase of 40.39% [2] - Guofeng New Materials (000859) rose by 8.82%, with a market cap of 65.23 billion and a year-to-date increase of 43.87% [2] - Baolidi (300905) increased by 7.90%, with a market cap of 60.72 billion and a year-to-date increase of 32.49% [2] - Jianghua Micro (603078) rose by 7.61%, with a market cap of 78.01 billion and a year-to-date increase of 21.24% [2] - New Lai Ying Material (300260) increased by 6.62%, with a market cap of 178 billion and a year-to-date increase of 61.36% [2] - The MACD golden cross signal formation indicates a positive trend for these stocks [1]