Fiber optic concept repeatedly gains strength; Huiyuan Communications and other stocks hit the daily limit.

Jijing AI Express, April 7: The fiber-optic concept repeatedly strengthened. Huiyuan Communications notched three consecutive daily limit-ups; Tongding Interconnection and Haimai Technology hit the daily limit; Hengtong Optoelectronics and Yangtze Optical Fiber rose more than 4%, setting a new all-time high; Tongguang Cables, Zhongtian Technology, and Changying Tong led the gains.

Daily Economic News

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