Express News | Guangdian Co., Ltd.: All production and business operations are currently proceeding normally.

Guangdian Co., Ltd. (SHA: 600184) announced that the cumulative deviation of its stock closing price from the benchmark over three consecutive trading days has exceeded 20%, constituting an abnormal fluctuation in stock trading. According to the company's internal review, all current production and business operations are proceeding normally, with no significant changes having occurred. The company primarily engages in the research, development, production, and sales of two main business segments: defense products and optoelectronic materials and components. Its defense business mainly includes optoelectronic defense products such as large-scale weapon systems, precision-guided seekers, and optoelectronic information equipment. The optoelectronic materials and components segment primarily comprises products including optical glass materials and pressed components, precision molded components, and infrared lenses, which are widely used in applications such as video surveillance, automotive lenses, intelligent driving systems, and smart wearable devices.

BreakingsJul 6 18:46

A-Share Market Movement | Humanoid robot concept stocks surge, with Haozhi Mechatronics, Lingyi Intelligent Manufacturing, and others hitting the daily trading limit

Gelonghui, June 30 | Robot-related stocks in the A-share market rallied collectively, with Haozhi Electromechanical surging by 20% (the daily trading limit for ChiNext and STAR Market stocks), Qiaofeng Intelligent rising over 16%, Huayi Technology gaining more than 15%, Sanrui Intelligent, Lvdi Harmonic Drive, Benchuan Intelligent, and Xiangming Intelligent all up over 13%, Sihui Fushi and Orbbec-W advancing over 12%, Efort-U, Hanwei Technology, and Shenghong Technology climbing over 10%, and Changhua Group, Lianchuang Electronics, Lingyi Smart Manufacturing, Crystal Optech, Motion Control & Automation, China Optronics, Zhongjian Technology, and Estun all hitting the 10% daily trading limit. According to a research report from China Securities Co., Ltd., the practical application of humanoid robots is a key focus for the market, with Figure 0

Gelonghui FinanceJun 30 13:20

Dragon & Tiger List | 'King T' aggressively bought HKC shares worth RMB 300 million, while 'Zhang Mengzhu' sold off RMB 180 million of FiberHome Telecommunication shares!

The optical communications sector experienced a significant pullback.

Gelonghui FinanceJun 26 19:11

The STAR 50 Index breached the 2,000-point mark for the first time, with computing hardware and semiconductor stocks surging collectively, while non-ferrous metals plummeted; both the Hang Seng Index and Hang Seng Tech Index fell by more than 1%, led by d

The optical fiber concept has shown repeated strength, with upstream raw materials leading the gains. China Optronics Group saw its shares reach the daily trading limit. Previously, Taihe New Materials surged with seven limit-ups in 14 trading days, and Hongbai New Materials posted two consecutive limit-ups. Jinxinnuo (Cigna Group), Zhongtian Technology, Yongding Shares, and Weike Technology were among the top gainers. The advanced packaging concept also remained active, with JCET Group achieving three daily trading limits in four days, hitting a new all-time high and surpassing RMB 180 billion in total market capitalization. Other notable gainers included Shengjian Technology, Guolin Technology, Kingstone Microelectronics, Skyverse Technology, and Nake Equipment.

wallstreetcnJun 25 10:01

Express News | Optical fiber-related stocks remain active, with multiple shares including Guangdian Shares hitting the daily trading limit.

Optical fiber-related stocks continue to show strong momentum, led by upstream raw material suppliers. Guangdian Shares reached its daily trading limit. Previously, Taihe New Materials surged with seven limit-ups in 14 trading days, Hongbo New Materials recorded two consecutive limit-ups, and Jinxinnuo, Zhongtian Technology, Yongding Shares, and Weike Technology posted notable gains. On the news front, prices of optical fiber preforms—the core raw material for fiber production—have risen sharply since early 2025: quotations for standard G.652D preforms have increased by over 180%; meanwhile, G.657.A2 preforms used in high-density data center cabling saw their price per equivalent fiber-kilometer jump from RMB 22–30 to RMB 160, representing a nearly 550% increase.

BreakingsJun 25 09:53

China Lucky Film Corporation (600184.SH): China Lucky Group plans to reduce its stake by no more than 1.89%.

Gelonghui, June 22 — Guangdian Co., Ltd. (SHA: 600184) announced that the company recently received a notice titled "Notice on Share Reduction Plan" from Guangdian Group. Due to its own funding requirements, Guangdian Group plans to reduce its holdings of the company's shares by no more than 11 million shares, representing 1.89% of the company's total share capital, within three months starting from the 15th trading day after the disclosure of this announcement. Of this, no more than 5.8273 million shares (1% of total share capital) will be reduced via centralized bidding transactions, and no more than 5.1727 million shares (0.89% of total share capital) will be reduced via block trades.

Gelonghui FinanceJun 22 20:01