3 minutes straight line pull up limit! Yangtze Optical Fiber responded: there is no upstream or downstream relationship with Nvidia or supplier customers.

Changfei Optical Fiber's A-shares opened with a straight climb of 10 centimeters in the first 3 minutes, triggering the limit-up rule. The stock has hit the limit-up for 3 consecutive days, closing at 82.95 yuan per share. There are rumors in the market that Changfei's hollow core optical fiber products have significant synergy with Nvidia's Ethernet technology and have been procured and used by Nvidia. However, staff stated that in terms of business nature, the company's products belong to the same category as Nvidia's core products needed for data center construction, and there is no upstream/downstream or supplier/customer relationship between the company and Nvidia.