---
title: "The three major A-share indices collectively fell at the midday break, with Huawei-related concepts strengthening"
type: "News"
locale: "en"
url: "https://longbridge.com/en/news/277136686.md"
description: "36Kr learned that the three major A-share indices collectively fell during the midday break, with the Shanghai Composite Index down 0.17%, the Shenzhen Component Index down 0.68%, and the ChiNext Index down 1.46%; the AI computing power concept weakened, with CPO and PCB sectors leading the decline, Eoptolink down over 7%, Zhongji Innolight down over 6%, and VGT down over 5%; the fiberglass concept led the decline, with Honghe Technology hitting the limit down and China National Materials Technology down over 8%; the rare earth sector led the gains, with CRENM hitting the limit up and XTC up over 8%; the Huawei concept strengthened, with TALKWEB hitting the limit up and Digital China up over 6%"
datetime: "2026-02-27T03:36:57.000Z"
locales:
  - [zh-CN](https://longbridge.com/zh-CN/news/277136686.md)
  - [en](https://longbridge.com/en/news/277136686.md)
  - [zh-HK](https://longbridge.com/zh-HK/news/277136686.md)
---

# The three major A-share indices collectively fell at the midday break, with Huawei-related concepts strengthening

36Kr learned that the three major A-share indices collectively fell during the midday break, with the Shanghai Composite Index down 0.17%, the Shenzhen Component Index down 0.68%, and the ChiNext Index down 1.46%; the AI computing power concept weakened, with CPO and PCB sectors leading the decline, Eoptolink fell over 7%, Zhongji Innolight fell over 6%, and VGT fell over 5%; the fiberglass concept led the decline, with Honghe Technology hitting the limit down, and China National Materials Technology falling over 8%; the rare earth sector led the rise, with CRENM hitting the limit up, and XTC rising over 8%; the Huawei concept strengthened, with TALKWEB hitting the limit up, and Digital China rising over 6%

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