---
title: "October 21st Midday Review: The ChiNext Index rose nearly 3% in half a day, with the deep earth technology concept collectively exploding"
type: "News"
locale: "en"
url: "https://longbridge.com/en/news/261973122.md"
description: "The midday closing report on October 21 shows that the market strengthened in the morning, with the Shanghai Composite Index rising over 1%, the Shenzhen Component Index rising over 2%, and the ChiNext Index rising nearly 3%. The concept stocks related to deep earth technology surged collectively, with ZYDX, CGE, and more than ten other stocks hitting the daily limit. CPO and other computing hardware stocks performed strongly, with HuiLv Ecology hitting the daily limit and ZhongJi XuChuang rising over 10%. The storage chip sector was active, with more stocks rising than falling. More than 4,600 stocks in the Shanghai, Shenzhen, and Beijing markets rose, with a total transaction volume of 1.16 trillion in the morning session. At the midday closing, the Shanghai Composite Index rose 1.2%, the Shenzhen Component Index rose 1.97%, and the ChiNext Index rose 2.92%"
datetime: "2025-10-21T03:31:01.000Z"
locales:
  - [zh-CN](https://longbridge.com/zh-CN/news/261973122.md)
  - [en](https://longbridge.com/en/news/261973122.md)
  - [zh-HK](https://longbridge.com/zh-HK/news/261973122.md)
---

# October 21st Midday Review: The ChiNext Index rose nearly 3% in half a day, with the deep earth technology concept collectively exploding

The market fluctuated and strengthened in the morning, with the Shanghai Composite Index rising over 1%, the Shenzhen Component Index rising over 2%, and the ChiNext Index rising nearly 3%. The concept of deep earth technology saw a collective explosion, with stocks such as Zhenyuan Dixin and CGE hitting the daily limit. CPO and other computing hardware stocks continued to strengthen, with Huilv Ecology hitting the daily limit and Zhongji Xuchuang rising over 10%. The storage chip sector was repeatedly active, with stocks like Dawi Co., Ltd. and Taiji Industry hitting the limit. On the downside, the coal and gas sectors fell, with Antai Group dropping over 6%. Most individual stocks rose rather than fell, with over 4,600 stocks in the Shanghai, Shenzhen, and Beijing markets in the green, and a trading volume of 1.16 trillion in the morning session. At the midday close, the Shanghai Composite Index rose 1.2%, the Shenzhen Component Index rose 1.97%, and the ChiNext Index rose 2.92%

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