Express News | Prices of high-end optical fiber preforms have surged by nearly 550%. Industry insiders note that the supply shortage of optical preforms will remain periodically entrenched in the short term.

BreakingsJun 4 20:45

Comba Telecom Boosts Treasury Stock Through May Share Buy-backs

TipRanksJun 4 19:34

Optical communication-related stocks led the gains, following a significant technological breakthrough in optical fiber technology and the commercial deployment of the world's first three-band multi-core optical cable.

Compared with networks using traditional transceivers, Spectrum-X Ethernet silicon photonics technology delivers a fivefold improvement in energy efficiency, a fivefold increase in AI uptime, and 1.3 times faster deployment.

Zhitong FinanceJun 3 10:09

The queue of companies seeking to list on the A-share market continues to grow—which Hong Kong-listed stocks are currently advancing their A-share listing processes?

① Data show that at least 10 Hong Kong-listed companies are currently advancing their A-share listing processes; ② Investment banking professionals at Ping An Securities noted that this round of 'H-to-A' listings will be characterized by structural, steady expansion and significant sectoral differentiation, with a relatively low probability of a market-wide surge.

cls.cnJun 3 08:54

China has achieved a significant breakthrough in optical communication technology, with the world's first three-band ultra-low-loss multi-core optical fiber cable line officially entering service.

The world's first ultra-low-loss multi-core optical fiber cable line supporting the S+C+L triple-band (short band + conventional communication band + long band) has recently been officially completed and commissioned in Qingdao, Shandong. This new optical fiber line surpasses the transmission capacity limits of traditional fibers, marking a new commercialization phase for China's space-division multiplexing fiber and multi-band integration technology, and offering an innovative technical solution for computing interconnectivity and ultra-high-bandwidth transmission in the intelligent era. The triple-band refers to the S-band (short band), C-band (conventional communication band), and L-band (long band) of optical communication signals, representing a core upgrade direction for AI computing power, all-optical networks, and 5G-A/6G.

Gelonghui FinanceJun 2 21:17

Jingxin Communications was subject to a sale of 336,000 shares by Executive Director Zhang Feihu at approximately HK$1.3 per share.

According to the latest data from the Hong Kong Stock Exchange, on May 27, Executive Director Zhang Feihu sold down 336,000 shares of Comba Telecom Systems Holdings Limited (02342.HK) at HK$1.3045 per share, for a total transaction value of approximately HK$438,300. Following this disposal, his latest shareholding stands at approximately zero shares.

Sina HK StocksJun 2 08:05