---
title: "U.S. stock night market volatility: GCT Semiconductor rose 23.50% in the night market, with clear capital flow, and the volatility has attracted market attention"
type: "News"
locale: "en"
url: "https://longbridge.com/en/news/286688833.md"
description: "GCT Semiconductor rose 23.50% in after-hours trading; Micron Technology fell 2.24% in after-hours trading, with a transaction volume of USD 892.3 million; NVIDIA fell 1.41% in after-hours trading, with a transaction volume of USD 412.7 million; Intel fell 3.08% in after-hours trading, with a transaction volume of USD 197.5 million"
datetime: "2026-05-18T00:16:57.000Z"
locales:
  - [zh-CN](https://longbridge.com/zh-CN/news/286688833.md)
  - [en](https://longbridge.com/en/news/286688833.md)
  - [zh-HK](https://longbridge.com/zh-HK/news/286688833.md)
---

# U.S. stock night market volatility: GCT Semiconductor rose 23.50% in the night market, with clear capital flow, and the volatility has attracted market attention

**U.S. Stock Night Market Movements**

GCT Semiconductor rose 23.50% in the night market. There has been no significant news regarding GCT Semiconductor recently; trading is active with clear capital flows. Considering the sector and industry trends, the stock shows significant volatility, and the specific reasons need further observation. no\_news

**Stocks with High Trading Volume in the Industry**

Micron Technology fell 2.24% in the night market. Based on recent news,

1.  On May 17, Micron Technology stated through its WeChat public account that China remains one of the most vibrant semiconductor markets globally and looks forward to further deepening cooperation with local customers and partners. This news failed to alleviate market concerns over geopolitical tensions, leading to a decline in stock price.
    
2.  On May 15, Samsung Electronics faced a strike threat, which could lead to a global DRAM supply tightening, potentially benefiting Micron Technology. However, market sentiment remains cautious in the short term, putting pressure on the stock price.
    
3.  On May 15, the semiconductor sector as a whole faced inflation and geopolitical pressures, leading to a general decline in high-valuation AI-related stocks, affecting Micron Technology's stock price. The semiconductor industry faces cyclical risks and requires careful assessment.
    

NVIDIA fell 1.41% in the night market. Based on recent key news:

1.  On May 15, the U.S. Department of Commerce approved the export of NVIDIA H200 chips to Chinese companies, but orders are scarce, and market expectations regarding the U.S.-China trade agreement are affecting stock price volatility. Source: Jinshi Data
    
2.  On May 15, Cerebras Systems went public on NASDAQ, becoming a direct competitor to NVIDIA, raising market concerns about challenges to NVIDIA's ecological barriers. Source: Wall Street Insight
    
3.  On May 15, Trump increased his holdings in NVIDIA stock, leading to optimistic market sentiment regarding its earnings outlook, driving stock price volatility. Source: Seeking Alpha AI chip demand is strong, with high market concentration.
    

Intel fell 3.08% in the night market. Based on recent key news:

1.  On May 16, Intel reached a chip manufacturing agreement with Apple, pushing its stock price to a historic high. This agreement may enhance Intel's foundry business and reshape its role in the AI supply chain. Source: Golden Finance
    
2.  On May 15, Intel's stock price fell after reaching a historic high due to profit-taking. Analysts warned of overvaluation and advised caution. Source: MT Newswires
    
3.  On May 17, UBS warned of Intel's declining market share in the server CPU market, putting pressure on its stock price. Source: Golden Finance Technology stocks are experiencing profit-taking, and market sentiment is cautious

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- [GCTS.US](https://longbridge.com/en/quote/GCTS.US.md)
- [MU.US](https://longbridge.com/en/quote/MU.US.md)
- [NVDA.US](https://longbridge.com/en/quote/NVDA.US.md)
- [INTC.US](https://longbridge.com/en/quote/INTC.US.md)

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