---
title: "300819.SZ (300819.SZ) — Related News"
type: "Symbol"
locale: "en"
url: "https://longbridge.com/en/quote/300819.SZ/news.md"
symbol: "300819.SZ"
name: "300819.SZ"
parent: "https://longbridge.com/en/quote/300819.SZ.md"
datetime: "2026-05-19T17:32:45.183Z"
locales:
  - [en](https://longbridge.com/en/quote/300819.SZ/news.md)
  - [zh-CN](https://longbridge.com/zh-CN/quote/300819.SZ/news.md)
  - [zh-HK](https://longbridge.com/zh-HK/quote/300819.SZ/news.md)
---

# 300819.SZ (300819.SZ) — Related News

### [Investment overheating and cross-industry expansion raise concerns about the bubble in China's fiberglass fabric](https://longbridge.com/en/news/285839107.md)
*2026-05-10T11:01:13.000Z*
> The AI boom is driving the electronic fiberglass cloth market, but recent announcements from Grace and J-Micro have rais

### [300819 suddenly became popular! It surged over 40% in 3 days! Institutional investors have appeared for research!](https://longbridge.com/en/news/285827869.md)
*2026-05-10T03:31:00.000Z*
> After the May Day holiday, a series of performance promotion activities were held intensively over three trading days (f

### [Over 80% of researched stocks achieved positive returns, with popular sectors and high-performing stocks attracting attention](https://longbridge.com/en/news/285767795.md)
*2026-05-08T19:51:44.000Z*
> According to Wind statistics, as of 5 PM on May 8, a total of 792 listed companies have disclosed institutional research

### [J-Micro plans to raise no more than 1.1 billion yuan through a private placement for the construction project of high-end electronic fabrics](https://longbridge.com/en/news/285716868.md)
*2026-05-08T11:37:03.000Z*
> J-Micro announced plans to issue A-shares to specific targets, raising no more than 1.1 billion yuan, with the net amoun

### [PCB concept stocks were active at the beginning of the trading session, with VGT and other stocks reaching new highs](https://longbridge.com/en/news/285647560.md)
*2026-05-08T01:38:50.000Z*
> PCB concept stocks were active at the beginning of the trading session, with Redboard, J-Micro, VGT, Jirfine, and JXPCB 

### [[Stocks with Abnormal Movements] The first board sector opened high yesterday, with Linewell (603636.CN) rising 10.0%](https://longbridge.com/en/news/285647338.md)
*2026-05-08T01:31:20.000Z*
> In today's morning session, the first sector opened high, Linewell (603636.CN) rose 10.00% to 11.11 yuan, ZHONGSHENGYAOY

### [J-Micro plans to purchase a batch of Toyota jet looms for no more than 150 million yuan](https://longbridge.com/en/news/283160415.md)
*2026-04-17T14:17:04.000Z*
> On April 17, 2026, J-Micro held a board meeting and decided to purchase Toyota jet looms from Fengtong Machinery, with a

### [Discovering Undiscovered Gems in Global for April 2026](https://longbridge.com/en/news/282522762.md)
*2026-04-13T10:02:46.000Z*
> As global markets show resilience with notable gains, investor sentiment has shifted positively, creating opportunities