STOCKS | Tongding Interconnection Flags Uncertainty Over Sustainability of Short-Term Fiber Price SwingsCoinLive·Jul 1 at 04:26 AM002491+1.16%
TDii (002491): Won the procurement project of Suzhou Suneng Group Co., Ltd., with a winning amount of 10.2507 million yuan同壁财经·May 29 at 01:52 AM002491+1.16%
Dragon and Tiger List | TDii (002491) hit the limit down, with the top 5 buyers purchasing a total of 353 million yuan, and the top 5 sellers selling a total of 371 million yuan. Reason for being on the list: The daily decline deviation reached 7% for the top 5 securities同壁财经·May 21 at 05:26 AM002491+1.16%
Shanghai Composite rises 0.5%, Beijing Exchange 50 surges 3%, optical fiber concepts explode, AI computing power active, Hang Seng Tech Index up 0.3%, semiconductors pull upWallstreetcn·Apr 20 at 03:40 AM002647+7.53%688041+1.31%
The three major A-share indices closed higher at midday, with the optical fiber concept surging36Kr·Apr 19 at 10:36 PM002491+1.16%000586+3.50%
Fiber optic concept stocks rallied collectively, with TDii hitting the limit up. YOFC, ZTT, and HTGD also rose. The fiber optic industry has shown a trend of simultaneous growth in product volume and prices this year. A representative from a Jiangsu-based fiber optic production company stated that first-quarter production and sales volumes increased by nearly five times year-on-year, while product prices surged significantly. G.657.A2 fiber prices jumped from 32 yuan per core kilometer last year to 240 yuan this year, representing a 650% increaseWallstreetcn·Apr 19 at 08:34 PM600522+2.96%600487+0.87%
Domestic optical fibers see a global "explosion in orders," with some product prices soaring by 650%, and orders extending into the first quarter of next year腾讯新闻 - 财经·Apr 19 at 03:19 AM600487+0.87%
In half a day, the main funds increased their positions in the basic chemical sector and sold off the communication sector36Kr·Apr 6 at 10:48 PM002491+1.16%000617+0.42%
A-share fiber optic concept continues to rise, YOFC hits the daily limit, TDii previously hit the daily limit, HTGD, SDGI, NanjingHuamai Technology, ZTT and others followed the riseWallstreetcn·Mar 24 at 01:35 AM06869+5.16%601869+3.37%
History is always surprisingly similar: Can the optical fiber supercycle continue? Capacity expansion is the biggest concernWallstreetcn·Mar 10 at 08:17 AM06869+5.16%601869+3.37%
December 17th Midday Review: The ChiNext Index rose 1.21% in half a day, with lithium mining and computing hardware stocks collectively strengtheningWallstreetcn·Dec 16, 2025 at 09:30 PM001203-0.15%002491+1.16%
TDii: Net profit in the third quarter was 24.134 million yuan, a year-on-year decrease of 48.70%Zhitong·Oct 29, 2025 at 06:44 AM002491+1.16%
Solid-state battery concept stocks surged and then fell back, TDii is close to the limit downZhitong·Sep 22, 2025 at 09:14 PM301152+0.19%002491+1.16%
The Intellectual Property and Standards Collaborative Innovation Center for the Digital Communication Cable Industry was officially establishedZhitong·Sep 22, 2025 at 01:27 AM002491+1.16%
The energy storage sector strengthened at the beginning of the trading session, TONGRUN EQUIPMENT achieved a two-day limit-upZhitong·Sep 3, 2025 at 08:33 PM002150+2.84%601311-0.25%
