---
title: "300502.SZ (300502.SZ) — Related News"
type: "Symbol"
locale: "en"
url: "https://longbridge.com/en/quote/300502.SZ/news.md"
symbol: "300502.SZ"
name: "300502.SZ"
parent: "https://longbridge.com/en/quote/300502.SZ.md"
datetime: "2026-05-19T23:29:15.171Z"
locales:
  - [en](https://longbridge.com/en/quote/300502.SZ/news.md)
  - [zh-CN](https://longbridge.com/zh-CN/quote/300502.SZ/news.md)
  - [zh-HK](https://longbridge.com/zh-HK/quote/300502.SZ/news.md)
---

# 300502.SZ (300502.SZ) — Related News

### [In the "Shanghai/Shenzhen Stock Connect," Zhongji Innolight ranks first among the top ten most actively traded stocks in the Shenzhen Stock Connect](https://longbridge.com/en/news/286889212.md)
*2026-05-19T09:39:00.000Z*
> According to data released by the Hong Kong Stock Exchange, Zhongji Innolight ranked first among the top ten most active

### [](https://longbridge.com/en/news/286859633.md)
*2026-05-19T05:46:29.000Z*
> Zhongji Innolight's trading volume exceeded 20 billion yuan, currently down over 3%. TFC's trading volume exceeded 15 bi

### [Artificial intelligence concept stocks weakened, and the ChiNext Artificial Intelligence ETF fell over 3%](https://longbridge.com/en/news/286859583.md)
*2026-05-19T05:38:07.000Z*
> Artificial intelligence concept stocks weakened, with TFC falling over 8%, Eoptolink down over 6%, and Zhongji Innolight

### [Eoptolink: It is expected that the proportion of silicon photonics products will further increase in 2026](https://longbridge.com/en/news/286856320.md)
*2026-05-19T05:06:50.000Z*
> On May 19th, Eoptolink stated on the interactive platform that the company has currently launched 400G and 800G ZR/ZR+ c

### [Over a hundred public funds have conducted research on Eoptolink this year, with the public fund sector "chasing the light."](https://longbridge.com/en/news/286717886.md)
*2026-05-18T05:24:10.000Z*
> As of May 14, 2026, over a hundred public funds have conducted research on the ChiNext stock Eoptolink, indicating the c

### [Eoptolink's net profit attributable to shareholders fluctuated in the first quarter of 2026, drawing attention: Shandong investors focus on exchange rate risk control, while the "dual giants" of optical modules compete in the second half](https://longbridge.com/en/news/286629582.md)
*2026-05-16T02:23:09.000Z*
> Eoptolink attracted investor attention at the 2025 annual shareholders' meeting. Although revenue in the first quarter o

### [Supply and demand imbalance causes special optical fiber prices to soar 10 times; domestic optical fiber and optical modules sell explosively worldwide](https://longbridge.com/en/news/286575803.md)
*2026-05-15T13:39:07.000Z*
> In the first quarter of this year, the price of specialty optical fibers increased tenfold, leading to a supply shortage

### [AI investment "alignment" public offerings focus on the performance realization of computing power hardware](https://longbridge.com/en/news/286492539.md)
*2026-05-15T01:34:07.000Z*
> Wall Street investor Michael Burry bought put options on NVIDIA while increasing positions in Microsoft and Adobe, indic

### [The frenzy of "Yi Zhongtian" has caught the attention of companies like Nvidia](https://longbridge.com/en/news/286377176.md)
*2026-05-14T07:25:50.000Z*
> On May 12th, Zhongji Innolight's stock price broke 1,000 yuan, becoming the second stock on the ChiNext to reach this mi

### [On May 13th, 702 stocks were financed for purchases exceeding 100 million yuan, with Zhongji Innolight receiving 5.003 billion yuan, ranking first](https://longbridge.com/en/news/286336339.md)
*2026-05-14T00:59:13.000Z*
> On May 13th, a total of 3,461 individual stocks received financing funds for purchase, with 702 stocks having a purchase