A股鸿蒙概念股集体走强，诚迈科技等多股涨停

Core Viewpoint - The A-share market saw a significant rally in Hongmeng concept stocks, with multiple companies experiencing substantial price increases, indicating strong investor interest in this sector [1]. Group 1: Stock Performance - Chengmai Technology (300598) reached a 20% limit up, with a total market value of 12 billion and a year-to-date increase of 14.44% [2]. - Huiwei Intelligent (832876) surged by 14.27%, with a market capitalization of 2.508 billion and a remarkable year-to-date increase of 139.61% [2]. - Runhe Software (300339) rose by 11.92%, with a market value of 53.4 billion and a year-to-date increase of 34.14% [2]. - Dashijian (002421) increased by 10.14%, with a market capitalization of 8.058 billion and a year-to-date increase of 10.79% [2]. - Zhongke Jincai (002657) also saw a 10.01% rise, with a market value of 14.5 billion and a year-to-date increase of 133.30% [2]. - Saili Medical (603716) experienced a 10.01% increase, with a market capitalization of 6.277 billion and an impressive year-to-date increase of 355.12% [2]. - Taxfriend (603716) rose by 8.68%, with a market value of 22.5 billion and a year-to-date increase of 82.42% [2]. - Guozi Software (872953) increased by 7.82%, with a market capitalization of 5.759 billion and a year-to-date increase of 114.64% [2]. - Dazhihui (601519) saw a 7.49% increase, with a market value of 36.8 billion and a year-to-date increase of 100.11% [2]. - Huali Co. (603038) rose by 7.20%, with a market capitalization of 4.162 billion, but a year-to-date decrease of 4.92% [2]. - Changshan Beiming (000158) increased by 7.19%, with a market value of 43.2 billion and a year-to-date increase of 34.06% [2]. - Ruantong Power (301236) rose by 6.59%, with a market capitalization of 58.7 billion and a year-to-date increase of 5.17% [2]. - Chicheng Co. (834407) increased by 6.30%, with a market value of 1.744 billion and a year-to-date increase of 52.27% [2]. - Yanshan Technology (002195) rose by 5.74%, with a market capitalization of 36.6 billion and a year-to-date increase of 62.47% [2].