Wall Street reached record territory on Monday as artificial intelligence chip stocks ignited a broad market rally, pushing the S&P 500 to a new all-time high of 7,398.93 — a gain of 0.84% — while the Nasdaq Composite surged 1.71% to close at 26,247.08. Both indices marked their sixth consecutive winning week, the longest such streak since 2024, with the Nasdaq up 4.5% for the week and the S&P 500 advancing 2.3%.
The rally was fueled by spectacular earnings results from Advanced Micro Devices and Supermicro Computer. AMD shares soared 17.77% after the chipmaker reported stronger-than-expected revenue and issued an optimistic outlook for AI-related demand. Supermicro Computer posted an even more dramatic gain of 24.5% following its own earnings release, which underscored booming demand for high-performance servers used in AI data centers.
Nvidia, the undisputed leader in AI accelerator chips, added 3% to its already elevated valuation, while Micron Technology climbed 5% as investors bet on continued growth in memory chips required for large-scale AI model training. Intel also joined the rally, gaining 4.22%, signaling that the AI tailwind is lifting the broader semiconductor sector rather than benefiting only a handful of dominant players.
The strength extended well beyond American borders. South Korea's Kospi index gained an impressive 4.70% as Asian semiconductor firms rode the same wave of enthusiasm. SK Hynix, one of the world's leading producers of high-bandwidth memory chips essential for AI workloads, surged 10.74%, reflecting the global nature of the AI hardware supply chain. The VanEck Semiconductor ETF (SMH) also hit a new 52-week high, confirming the sector-wide momentum.
Beyond semiconductors, the broader technology landscape continued to show signs of vitality. African fintech platform MiniPay crossed the milestone of 15 million active wallets, representing year-over-year growth of 123%. The platform, which operates primarily on mobile networks across Africa, illustrates how AI-adjacent financial technology is expanding access to digital financial services in emerging markets, even as the investment spotlight remains fixed on hardware makers.
Market analysts point to a convergence of factors sustaining the rally: strong corporate earnings, resilient consumer spending, and relentless capital expenditure by hyperscalers on AI infrastructure. Major cloud providers have each committed tens of billions of dollars to AI data center buildouts in 2026, creating a durable pipeline of demand for advanced chips and the systems that house them.
With both the S&P 500 and Nasdaq now at fresh records and six consecutive up-weeks in the books, investor sentiment remains firmly bullish on the AI investment cycle. Strategists caution that valuations in the semiconductor space are elevated, but they acknowledge that earnings revisions continue to move higher, providing fundamental support for the sector's premium pricing. The AI-driven rally shows no signs of exhaustion as corporate adoption of generative AI accelerates across every major industry.
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