---
title: "300570.SZ (300570.SZ) — Related News"
type: "Symbol"
locale: "en"
url: "https://longbridge.com/en/quote/300570.SZ/news.md"
symbol: "300570.SZ"
name: "300570.SZ"
parent: "https://longbridge.com/en/quote/300570.SZ.md"
datetime: "2026-05-20T22:22:59.565Z"
locales:
  - [en](https://longbridge.com/en/quote/300570.SZ/news.md)
  - [zh-CN](https://longbridge.com/zh-CN/quote/300570.SZ/news.md)
  - [zh-HK](https://longbridge.com/zh-HK/quote/300570.SZ/news.md)
---

# 300570.SZ (300570.SZ) — Related News

### [](https://longbridge.com/en/news/287009183.md)
*2026-05-20T05:13:18.000Z*
> A-share optical fiber concept stocks continued to rise in the afternoon, with FASTEN and SDGI hitting the limit up, Sunf

### [GEM Falls 2%; Power Stocks Rise Against the Trend, CPO and Computing Hardware Adjust; Hang Seng Tech Index Surges Then Retreats; Semiconductors Plunge](https://longbridge.com/en/news/286845245.md)
*2026-05-19T02:43:44.000Z*
> AI computing concept stocks in A-shares and Hong Kong stocks underwent a collective adjustment, with the GEM falling 2% 

### [The three major A-share indices opened higher collectively, T&S rose over 7%](https://longbridge.com/en/news/285466251.md)
*2026-05-07T01:30:48.000Z*
> 36Kr learned that the three major A-share indices opened higher collectively, with the Shanghai Composite Index opening 

### [](https://longbridge.com/en/news/285465873.md)
*2026-05-07T01:27:28.000Z*
> Fiber optic concept stocks remained active, with TDii hitting the daily limit up at the open. SDGI, T&S, PhiChem, RoboTe

### [The low-fee communication ETF ChinaAMC has raised a total of 752 million yuan over four consecutive days, with the optical communication industry chain spreading, and the AI computing hardware sector becoming the strongest windfall](https://longbridge.com/en/news/284167675.md)
*2026-04-27T07:04:11.000Z*
> The low-fee communication ETF ChinaAMC has attracted 752 million yuan in funds over the past four days, showing strong p

### [On the first quarter performance release, T&S reported a net profit attributable to the parent company of 65.7788 million yuan, a decrease of 17.12%](https://longbridge.com/en/news/283899253.md)
*2026-04-23T22:01:03.000Z*
> T&S released its first quarter report for 2026, with operating revenue of 341 million yuan, a year-on-year decrease of 8