Story
Semiconductor Stocks Tumble, with Lam Research and Palantir Leading Declines
Several major technology stocks, including Lam Research (LRCX) and Palantir Technologies (PLTR), experienced significant declines in Tuesday trading. The sell-off was particularly pronounced in the semiconductor sector, with multiple large-cap companies falling after issuing disappointing financial forecasts.
Mega-Cap Tech Stocks Under Pressure
Some of the market's largest companies by valuation saw notable drops, according to market data from Tuesday. The declines among mega-cap stocks were led by key players in the semiconductor and technology industries.
- Lam Research Corp (LRCX): -10.53%
- Palantir Technologies Inc (PLTR): -9.59%
- Applied Materials Inc (AMAT): -8.78%
- Intel Corp (INTC): -7.95%
These moves suggest broad investor concern within the high-valuation tech space, particularly for companies exposed to the chip manufacturing cycle.
Weak Guidance Drives Large-Cap Sell-Off
AdIn the large-cap segment, forward-looking guidance was a primary catalyst for several of the day's biggest moves. Companies that beat recent earnings expectations were still punished by investors for forecasting weaker-than-anticipated future performance.
Corning Inc. (GLW) shares tumbled -19.42% following weak third-quarter guidance. Similarly, Amkor Technology (AMKR) fell -24.4% on soft Q3 revenue guidance, and Sanmina-SCI Corp (SANM) dropped -20.51% after its Q4 revenue outlook missed expectations, according to Investing.com.
Mixed Fortunes in Mid and Small Caps
Performance among mid- and small-cap stocks was more varied, with company-specific news creating significant winners and losers. Opko Health (OPK) was a standout gainer, surging +32.26%, while Kiniksa Pharmaceuticals (KNSA) rose +22.37% after raising its guidance.
On the other end, Replimune Group (REPL) was one of the day's biggest decliners, falling -32.04%. The divergent performance highlights a market where investors are closely scrutinizing individual company fundamentals and outlooks.
Read next
More on Stocks
FTC Orders Walmart, Uber, Delta to Disclose Data on Personalized Pricing
The U.S. Federal Trade Commission is demanding nine major companies, including leading retail, travel, and gig economy firms, to provide information on how they use consumer data for setting individual prices and wages.
Google Launches Gemini 4 Carbon AI Model to Bolster Cybersecurity Capabilities
Alphabet's Google has unveiled Gemini 4 Carbon, its latest AI model specifically designed for advanced cybersecurity tasks like vulnerability detection and secure code generation. The launch escalates competition with rivals OpenAI and Anthropic in the enterprise AI market.
Oracle Shares Surge After Unveiling $225 Billion Revenue Target for 2030
Oracle stock rose sharply after the company presented a long-term financial outlook targeting at least $225 billion in annual revenue by fiscal 2030, driven by its expanding AI infrastructure business.
DOJ Scrutinizes Nvidia's $12.9B Hugging Face Deal Amid Broader Antitrust Probe, Sources Say
The U.S. Department of Justice is reportedly examining Nvidia's planned $12.93 billion acquisition of AI platform Hugging Face as part of a wider, ongoing antitrust investigation into the chipmaker's market conduct.