通信设备股集体走强，中天科技、亨通光电、通鼎互联涨停

Core Viewpoint - The A-share market saw a significant rally in communication equipment stocks, with multiple companies reaching their daily price limits and substantial year-to-date gains reported [1][2]. Group 1: Stock Performance - Zhongtian Technology (600522) increased by 10.01%, with a market capitalization of 94.2 billion and a year-to-date gain of 52.26% [2] - Hengtong Optic-Electric (600487) rose by 10.00%, with a market cap of 109.4 billion and a year-to-date increase of 79.26% [2] - Tongding Interconnection (002491) saw a rise of 9.97%, with a market cap of 12.9 billion and a year-to-date gain of 74.67% [2] - Fenghuo Communication (600498) increased by 7.28%, with a market cap of 62.1 billion and a year-to-date gain of 42.46% [2] - Tianfu Communication (300394) rose by 6.91%, with a market cap of 283.9 billion and a year-to-date increase of 79.84% [2] - Ruijie Networks (301165) increased by 6.58%, with a market cap of 71.4 billion and a year-to-date gain of 1.05% [2] - Dingtong Technology (688668) rose by 6.36%, with a market cap of 21.7 billion and a year-to-date increase of 25.65% [2] - Yongding Co., Ltd. (600105) increased by 5.98%, with a market cap of 43.5 billion and a year-to-date gain of 18.65% [2] - Xinke Mobile (688387) rose by 5.70%, with a market cap of 55.2 billion and a year-to-date increase of 25.12% [2] - StarNet Ruijie (002396) increased by 5.30%, with a market cap of 18 billion and a year-to-date gain of 1.65% [2] - Feiling Kesi (301191) rose by 5.20%, with a market cap of 8.863 billion and a year-to-date increase of 18.88% [2] - Huiyuan Communication (000586) increased by 5.10%, with a market cap of 3.07 billion and a year-to-date gain of 17.29% [2] - ST Jinglun (600355) rose by 4.84%, with a market cap of 640 million and a year-to-date decrease of 41.96% [2] - Dayi Co., Ltd. (300504) increased by 4.75%, with a market cap of 4.304 billion and a year-to-date gain of 6.65% [2] - Hengwei Technology (603496) rose by 4.75%, with a market cap of 10.1 billion and a year-to-date increase of 15.69% [2] - Changfei Optical Fiber (601869) increased by 4.53%, with a market cap of 197.8 billion and a year-to-date gain of 105.31% [2] - Zhongguang Lightning Protection (300414) rose by 4.47%, with a market cap of 5.405 billion and a year-to-date increase of 10.90% [2]