---
title: "KOSDAQ 150 futures trigger circuit breaker, South Korea's Kospi index surges 8%, Samsung Electronics rises 12.6%"
type: "News"
locale: "zh-CN"
url: "https://longbridge.com/zh-CN/news/281307828.md"
description: "South Korea's KOSDAQ 150 futures triggered a circuit breaker due to a 6% increase, halting trading for 5 minutes. The South Korea Kospi index rose 8%, closing at 5,457 points. Samsung Electronics increased by 12.6%, and other Samsung-related stocks also performed strongly. Stocks of companies such as SK Hynix and Hyundai Motor surged significantly. The market was influenced by optimistic sentiment regarding the potential end of the conflict in Iran"
datetime: "2026-04-01T05:29:19.000Z"
locales:
  - [zh-CN](https://longbridge.com/zh-CN/news/281307828.md)
  - [en](https://longbridge.com/en/news/281307828.md)
  - [zh-HK](https://longbridge.com/zh-HK/news/281307828.md)
---

> 支持的语言: [English](https://longbridge.com/en/news/281307828.md) | [繁體中文](https://longbridge.com/zh-HK/news/281307828.md)


# KOSDAQ 150 futures trigger circuit breaker, South Korea's Kospi index surges 8%, Samsung Electronics rises 12.6%

Anticipating that the conflict in Iran may come to an end in the short term, the three major U.S. stock indices surged sharply the night before (31st). Major stock markets in the Asia-Pacific region showed significant improvement this morning (1st). The South Korean exchange activated the KOSDAQ index circuit breaker, as the KOSDAQ 150 index futures rose by 6%, leading to a 5-minute suspension of program trading.

The South Korean Kospi index is currently up 8%, at 5,457 points. Samsung Group stocks performed well collectively, with Samsung Electronics rising by 12.6%, Samsung Life Insurance and Samsung Biologics increasing by 7.4% and 4.9%, respectively.

SK Hynix rose by 9.9%, and its affiliate SK Square increased by 7.2%.

Hyundai Motor surged by 9.8%, while its subsidiary Kia rose by 7.3%.

Additionally, POSCO increased by 3.8%, Hana Financial Group rose by 5.8%, Hanwha Aerospace increased by 6.7%, and LG Energy Solution also rose by 2.8%

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- [Samsung Electronics  (SSNGY.US)](https://longbridge.com/zh-CN/quote/SSNGY.US.md)
- [XL2CSOPHYNIX (07709.HK)](https://longbridge.com/zh-CN/quote/07709.HK.md)
- [Korea Fd (KF.US)](https://longbridge.com/zh-CN/quote/KF.US.md)
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