---
title: "000586.SZ (000586.SZ) — Related News"
type: "Symbol"
locale: "en"
url: "https://longbridge.com/en/quote/000586.SZ/news.md"
symbol: "000586.SZ"
name: "000586.SZ"
parent: "https://longbridge.com/en/quote/000586.SZ.md"
datetime: "2026-05-19T21:44:33.154Z"
locales:
  - [en](https://longbridge.com/en/quote/000586.SZ/news.md)
  - [zh-CN](https://longbridge.com/zh-CN/quote/000586.SZ/news.md)
  - [zh-HK](https://longbridge.com/zh-HK/quote/000586.SZ/news.md)
---

# 000586.SZ (000586.SZ) — Related News

### [HYC: Shareholder Quanzhou Shenghui's shareholding ratio will decrease to 1.90%](https://longbridge.com/en/news/286880734.md)
*2026-05-19T08:48:09.000Z*
> HYC announced that the 9.6723 million shares held by its shareholder Quanzhou Shenghui Investment Co., Ltd., which owns 

### [The optical fiber concept continues to be strong, XNTS has 3 limit-ups in 5 days](https://longbridge.com/en/news/286179099.md)
*2026-05-13T01:38:17.000Z*
> In the morning session, the fiber optic concept continued to be strong, XNTS had 3 limit-ups in 5 days, TGC rose over 10

### [HYC: Net loss of RMB 1.859 million in 2025](https://longbridge.com/en/news/283482443.md)
*2026-04-21T10:42:39.000Z*
> HYC announced that the operating revenue in 2025 is expected to be 513 million yuan, a year-on-year increase of 21.40%. 

### [[Stock Movement] The communication cable and supporting sector fell, NanjingHuamai Technology (603042.CN) dropped 5.62%](https://longbridge.com/en/news/283424406.md)
*2026-04-21T01:45:20.000Z*
> In today's morning session, the communication cable and supporting sectors generally declined, with NanjingHuamai Techno

### [The three major A-share indices closed higher at midday, with the optical fiber concept surging](https://longbridge.com/en/news/283289419.md)
*2026-04-20T03:36:18.000Z*
> 36Kr learned that the three major A-share indices collectively rose during the midday break, with the Shanghai Composite

### [HYC rose 7.36% today, with 4 institutional special seats net buying 108 million yuan](https://longbridge.com/en/news/282654549.md)
*2026-04-14T08:28:17.000Z*
> HYC rose 7.36% today, with a transaction amount of 1.758 billion yuan and a turnover rate of 40.84%. According to the af

### [Most optical fiber concept stocks opened lower, HYC hit the limit down](https://longbridge.com/en/news/282469092.md)
*2026-04-13T01:29:33.000Z*
> Most optical fiber concept stocks opened lower, HYC hit the limit down, FASTEN fell over 7%, YOFC, Everbright, and TDii 

### [Is it more powerful than HTGD? 5 yuan low price + 600 tons of optical rod capacity + optical fiber, main force explosively seizing 3 billion](https://longbridge.com/en/news/282363911.md)
*2026-04-10T14:45:59.000Z*
> The optical fiber market remains strong. Despite the overall decline in A-shares, optical fiber concept stocks such as O

### [Market Rumors Ferment as Hot Sector Hit Hard! Fiber Optic Leader Responds: No Delay in Operator Centralized Procurement](https://longbridge.com/en/news/282306477.md)
*2026-04-10T07:40:11.000Z*
> On April 10, optical fiber concept stocks generally declined, with FASTEN and HYC hitting their daily downward limits, H

### [Multiple high-profile stocks continue to decline, with SHUHUA SPORTS and several others hitting the limit down](https://longbridge.com/en/news/282296306.md)
*2026-04-10T06:05:37.000Z*
> In the afternoon, several high-profile stocks continued to decline, with SHUHUA SPORTS and FASTEN hitting the limit down