---
title: "Kingboard Holdings tumbles 8% after reversing PCB-sector gains"
type: "News"
locale: "en"
url: "https://longbridge.com/en/news/295353255.md"
description: "Kingboard Holdings tumbled 8% in Hong Kong trading after reversing earlier gains that tracked the PCB sector."
datetime: "2026-08-10T03:23:09.000Z"
locales:
  - [zh-CN](https://longbridge.com/zh-CN/news/295353255.md)
  - [en](https://longbridge.com/en/news/295353255.md)
  - [zh-HK](https://longbridge.com/zh-HK/news/295353255.md)
generator: "portal-rs"
---

# Kingboard Holdings tumbles 8% after reversing PCB-sector gains

Kingboard Holdings (148.HK) tumbled **8%** in Hong Kong trading to **HK$43.28**. The stock had risen earlier in the session tracking gains in the PCB sector before reversing sharply.

The company issued a profit alert in early August, expecting interim net profit to exceed **HK$2.7 billion**, up more than 4% year-over-year. Profit from its copper-clad laminate (CCL) segment surged more than 200%, driven by AI-related demand and rising prices of electronic yarn and CCL. Citi previously noted that electronic yarn prices rose 17% to 18% month-over-month in August, signaling a fresh round of CCL price increases.

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