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Why Lam Research stock plummeted yesterday

By Wealth Awesome -
Stocks & ETFs:LRCX.US

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Lam Research Corp faced a significant decline in its stock price, dropping over 5% in a single trading session.

Lam Research Corporation (NASDAQ:LRCX) experienced a sharp decline in its stock price yesterday, closing down 5.65% at CA$298.01. This drop comes amidst mixed signals within the semiconductor equipment sector, where competitors like Applied Materials are showcasing strong growth prospects.

Investor takeaway: Investors should be cautious as Lam Research's recent performance indicates potential vulnerabilities despite the overall market growth in semiconductor equipment spending.

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5.65% decline in stock price

Lam Research's stock drop reflects investor concerns over its competitive positioning in a rapidly evolving semiconductor landscape.

Bull case

Lam Research has a strong market position and significant exposure to the growing memory segment. This area is expected to drive revenue growth in the coming years.

Bear case

The recent stock decline raises concerns about Lam Research's ability to maintain its growth trajectory, especially if memory pricing weakens or capital spending declines sharply.

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Market Context

The semiconductor equipment market has been experiencing growth, with global wafer-fabrication equipment spending projected to rise significantly. However, Lam Research's recent performance contrasts with competitors like Applied Materials, which reported robust growth and optimistic forecasts, raising concerns about LRCX's competitive edge.

Financial Performance

Despite a strong fiscal year in 2026, where Lam Research returned over $5 billion to shareholders, the recent stock decline suggests that investors are wary of potential headwinds. The company's high forward P/E ratio of 54.98 indicates that much of its growth may already be priced in, leaving little room for error.

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Wealth Awesome
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Wealth Awesome

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Published: September 11, 2026
Last Updated: September 11, 2026
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