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Today, Sept. 21, 2026, semiconductor stocks surged on AI demand while Bitcoin topped $87,000, offsetting energy sector weakness.
Dow Jones Futures: Falling oil prices and yields sparked a stock market rally. AMD, Intel, Micron, Nvidia and Sandisk are key movers.
Wall Street’s renewed AI optimism lifted data-center developers and suppliers, propelling Intel shares 12% higher and boosting Advanced Micro Devices by 10%. AMD notched a $1 trillion market capitalization for the first time, becoming the 14th U.
If you own NVIDIA (NVDA) or Micron Technology (MU), you own the same idea: AI data centers want more chips and memory than the industry can supply. The two split from there. NVIDIA is putting its own balance sheet behind some of its biggest buyers. Micron's buyers are posting cash deposits to secure its memory, so the money flows in opposite directions.
It wasn't just Nasdaq today. A handful of large stocks also closed at their highest levels ever. Here are some notable names with market caps above $10 billion that are sitting at all-time highs today.
Once every planned deal is signed, Micron Technology (MU) expects about 40% of its revenue to sit under fixed prices or price ceilings near calendar Q2 2026 market levels. That matters because higher pricing drove most of the jump to a record gross margin in fiscal Q3 2026. The contracts typically run five years, and the largest also lock in a floor. But the ceiling is the number a holder should worry about most.
Historic Day for AMD as Stock Surge Pushes Valuation Above $1 Trillion
AMD is knocking on a door only 14 other companies have ever opened, and a bold 10% price hike on its hottest chips is what just pushed it to the threshold.
Meta's new AI agent rocketed to the top of the App Store in just ten days, and the computing resources it consumes behind the scenes reveal a quiet battle reshaping which semiconductor companies actually profit from the agentic AI boom.
A single quarter-point rate hike just wiped out hundreds of billions in NVIDIA's market value, and the forces behind that move are only getting more entangled with the AI buildout's financing structure.
Investing.com -- Advanced Micro Devices briefly surpassed $1 trillion in market capitalization for the first time on Monday, becoming the fourth U.S. chipmaker to reach the milestone as investors increase their bets on the company's growing presence in AI computing.
By powering the data center CPUs and local edge processing required for agentic workflows, Arm Holdings and AMD are positioned to capture immense value.
Super Micro Computer's record backlog and expanding manufacturing capacity can support continued AI-driven revenue growth into fiscal 2027.
AMD stock is breaking out Monday. This AI leader's relative strength line hit a new high, confirming the breakout's strength.
Intel's stock has surged over 250% in a year, NVIDIA just took a $5 billion stake, and the CEO is calling it the strongest revenue growth in fifteen years. So why does Wall Street's consensus still say hold?
Investing.com -- Technology stocks roared back on Monday, propelled by a powerful rally in Meta Platforms and semiconductor leaders as Wall Street recognized that consumer "agentic" AI may have finally reached a mainstream tipping point. Meta Platforms (NASDAQ: META) rallied 6.5% on Monday, leading a broader market advance that lifted the Nasdaq 100 by 2.15%. The frenzy extended deep into the semiconductor sector, with CPU-linked chipmakers staging explosive gains: Arm Holdings (NASDAQ: ARM) sur