---
title: "The three major A-share indices collectively rose during the midday break, with the CPO concept strengthening"
type: "News"
locale: "en"
url: "https://longbridge.com/en/news/277872102.md"
description: "36Kr learned that the three major A-share indices collectively rose during the midday break, with the Shanghai Composite Index up 0.84%, the Shenzhen Component Index up 1.67%, and the ChiNext up 2.43%; the semiconductor sector surged, with FOCUS LIGHTINGS, JUFEI, and SANAN hitting the daily limit, Biwin rising over 12%, and Cambricon rising over 4%; the CPO concept strengthened, with Eoptolink rising over 11% and Zhongji Innolight rising over 6%; oil and gas stocks corrected, with PETROCHINA falling over 3%"
datetime: "2026-03-05T03:35:27.000Z"
locales:
  - [zh-CN](https://longbridge.com/zh-CN/news/277872102.md)
  - [en](https://longbridge.com/en/news/277872102.md)
  - [zh-HK](https://longbridge.com/zh-HK/news/277872102.md)
---

# The three major A-share indices collectively rose during the midday break, with the CPO concept strengthening

36Kr learned that the three major A-share indices collectively rose during the midday break, with the Shanghai Composite Index up 0.84%, the Shenzhen Component Index up 1.67%, and the ChiNext up 2.43%; the semiconductor sector surged, with FOCUS LIGHTINGS, JUFEI, and SANAN hitting the daily limit, Biwin rising over 12%, and Cambricon rising over 4%; the CPO concept strengthened, with Eoptolink rising over 11% and Zhongji Innolight rising over 6%; oil and gas stocks corrected, with PETROCHINA falling over 3%

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