---
title: "August 21st Midday Review: Shanghai Composite Index rises 0.35% in half a day, stablecoin concept stocks collectively surge"
type: "News"
locale: "en"
url: "https://longbridge.com/en/news/253908706.md"
description: "On August 21st, at the midday close, the Shanghai Composite Index rose by 0.35%, the Shenzhen Component Index rose by 0.45%, and the ChiNext Index rose by 0.21%. The market rebounded after hitting a low in the morning, with stablecoin concept stocks such as Sanwei Xinan and NORTHKING TECH. hitting the daily limit, and oil and gas stocks also performed strongly. Consumer stocks like Wuika Times hit the daily limit, and JIEYA rose over 10%. In contrast, AI hardware stocks such as liquid-cooled servers and PCBs saw significant declines, with Jintian Co., Ltd. hitting the daily limit down. The overall trading volume reached billions"
datetime: "2025-08-21T03:30:51.000Z"
locales:
  - [zh-CN](https://longbridge.com/zh-CN/news/253908706.md)
  - [en](https://longbridge.com/en/news/253908706.md)
  - [zh-HK](https://longbridge.com/zh-HK/news/253908706.md)
generator: "portal-rs"
---

# August 21st Midday Review: Shanghai Composite Index rises 0.35% in half a day, stablecoin concept stocks collectively surge

The market rebounded after a morning dip, with the three major indices rising slightly. Stablecoin concept stocks surged collectively, with Sanwei Xinan, NORTHKING TECH., and several other stocks hitting the daily limit. Oil and gas stocks fluctuated higher, with Zhun Oil shares hitting the daily limit. Consumer stocks in beauty care and retail were active, with Wuika Times hitting the daily limit and JIEYA shares rising over 10%. On the downside, liquid-cooled servers and PCB-related AI hardware saw significant declines, with Jintian shares hitting the daily limit. Individual stocks showed mixed performance, with a total turnover of billions in the morning session. At the midday close, the Shanghai Composite Index rose by 0.35%, the Shenzhen Component Index rose by 0.45%, and the ChiNext Index rose by 0.21%

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---
> **Disclaimer: This article is for reference only and does not constitute any investment advice.**