---
title: "002980.SZ (002980.SZ) — Related News"
type: "Symbol"
locale: "en"
url: "https://longbridge.com/en/quote/002980.SZ/news.md"
symbol: "002980.SZ"
name: "002980.SZ"
parent: "https://longbridge.com/en/quote/002980.SZ.md"
datetime: "2026-05-20T13:07:21.697Z"
locales:
  - [en](https://longbridge.com/en/quote/002980.SZ/news.md)
  - [zh-CN](https://longbridge.com/zh-CN/quote/002980.SZ/news.md)
  - [zh-HK](https://longbridge.com/zh-HK/quote/002980.SZ/news.md)
---

# 002980.SZ (002980.SZ) — Related News

### [CEM: Abnormal fluctuations in stock trading, no undisclosed matters that should be disclosed](https://longbridge.com/en/news/286749586.md)
*2026-05-18T09:52:50.000Z*
> CEM announced that the company's stock closing price deviation exceeded 20% over three consecutive trading days on May 1

### [CEM: There are uncertainties and risks in the operating performance of Jialante Technology Co., Ltd](https://longbridge.com/en/news/286750441.md)
*2026-05-18T09:51:21.000Z*
> CEM issued a notice of unusual fluctuations, stating that the closing price increase deviation of the company's stock ex

### [CEM received 55 institutional research visits, including Ruifeng Fund, AIA Group Limited, Yingda Insurance Asset Management, Sunshine Asset Management Co., Ltd., and others](https://longbridge.com/en/news/284308809.md)
*2026-04-28T04:07:20.000Z*
> CEM received research visits from 55 institutions including Ruifeng Fund and AIA Life on April 27, 2026. The company's s

### [Three listed companies in the electrical and power grid sector have surged over 240% this year, attracting significant new investments from multiple public funds](https://longbridge.com/en/news/284308492.md)
*2026-04-28T04:01:32.000Z*
> Three listed companies in the electrical engineering and power grid sector have seen a rise of over 240% this year, incl

### [CEM: Net profit in the first quarter was 17.7602 million yuan, a year-on-year decrease of 39.09%](https://longbridge.com/en/news/284194908.md)
*2026-04-27T10:22:26.000Z*
> CEM announced that its revenue for the first quarter of 2026 was 167 million yuan, a year-on-year decrease of 13.42%; ne

### [Up over 290% this year! Can we still chase the doubling stocks heavily held by public funds?](https://longbridge.com/en/news/284130978.md)
*2026-04-27T00:34:09.000Z*
> The A-share technology growth concept is active, with multiple stocks in the electrical and power grid sector rising ove

### [April 23 Midday Market Review: GEM Index Opens High and Closes Low, Falling 1.83%; Computing Hardware Stocks Adjust Collectively](https://longbridge.com/en/news/283758771.md)
*2026-04-23T03:30:51.000Z*
> At the midday close on April 23, the GEM Index opened high and closed low, falling by 1.83%. Overall market performance 

### [The power grid equipment sector fluctuates and strengthens](https://longbridge.com/en/news/283302710.md)
*2026-04-20T06:22:32.000Z*
> The power grid equipment sector has shown strong fluctuations, with CEM and WindSun Science & Technology reaching histor

### [CEM plans to acquire 100% equity of Jialan Technology in cash to create a second growth curve](https://longbridge.com/en/news/283291393.md)
*2026-04-20T04:03:30.000Z*
> CEM (002980), a leader in measurement instruments, accelerates its layout in optical communication modules and optical c

### [April 17 Midday Market Review: ChiNext Index Rises 0.82% in First Half; YUANJIE SEMICONDUCTOR Tops A-Share New Stock King](https://longbridge.com/en/news/283085669.md)
*2026-04-17T03:31:13.000Z*
> At the close of trading on April 17, the SSE Index fell 0.3%, the Shenzhen Index rose 0.33%, and the ChiNext Index gaine