NextFin

AI and Tech Stocks Dominate Market Rally as S&P 500 Hits New Record: Key Dynamics Behind Nvidia, Microsoft, Intel, Snowflake, and ServiceNow

NextFin News - On the morning of Wednesday, December 24, 2025, U.S. equity markets entered a holiday-thinned trading session with pronounced investor appetite for AI-centric technology stocks. The S&P 500 index surged to an intraday record, led by heavyweight AI players including Nvidia, Microsoft, Intel, Snowflake, and ServiceNow. This notable market performance unfolded across U.S. exchanges amid growing confidence that the Federal Reserve might enact further rate cuts in 2026, supporting valuations in tech sectors historically sensitive to monetary policy shifts.

The immediate factors have invigorated the AI stock trade which commenced emphatically in October 2022. Nvidia's strong earnings report coupled with an unexpectedly robust profit forecast from memory-chip giant Micron rekindled trust in the AI hardware cycle, notably in memory architectures vital for AI workloads. While investors rotated modestly into cyclicals such as financials and materials to manage concentration risk, the underlying AI themes maintained dominance.

Yet, the narrative is more nuanced than a simple hardware-led rally. Within the semiconductor industry, fresh concerns surfaced as reports indicated Nvidia paused tests of Intel's 18A chipmaking node for foundry purposes, impacting Intel’s shares negatively in pre-market trading. Intel’s turnaround strategy depends heavily on establishing its foundry services as competitive alternatives to established players like TSMC. Concurrently, the U.S. government’s strategic investment of $5.7 billion for a nearly 10% stake in Intel elevates the company’s geopolitical significance while operational execution remains under market scrutiny.

Investor debates now focus intensely on the economics of AI infrastructure capital expenditure. The question dominating as 2025 closes is whether the massive AI data-center buildout will generate sufficient and timely returns to justify its size. Hyperscale providers—Microsoft, Amazon, Meta, Oracle, and Alphabet—are projected to invest over $500 billion in combined capex in 2026, predominantly targeting AI infrastructure. While this spending bodes well for semiconductor and infrastructure suppliers, it introduces risk if monetization lags, evidenced by softer performance in some AI-linked equities following capex-related jitters.

Adding complexity is the evolving structure of AI data-center financing. Reports reveal that Meta, xAI, Oracle, and CoreWeave have securitized over $120 billion of AI-related data-center debt through special-purpose vehicles backed by Wall Street credit firms. This capital market innovation offers cleaner corporate balance sheets but reduces financing transparency and may exacerbate systemic risks amid a potential cooling in AI demand or tighter refinancing conditions. Hence, AI stock valuations are increasingly tethered not just to product demand but also to capital market dynamics.

Enterprise AI software companies are also shaping the rally. Snowflake is reportedly negotiating a $1 billion acquisition of observability startup Observe, scaling its AI infrastructure capabilities to enhance performance monitoring and cost control—critical facets as AI applications mature. ServiceNow’s $7.75 billion acquisition of cybersecurity firm Armis focuses on fortifying AI-driven enterprise security, recognizing increased attack surfaces. Meanwhile, UiPath’s inclusion in the S&P MidCap 400 index highlights the growing institutional interest in AI-enabled automation platforms beyond mainstream GenAI.

Wall Street's 2026 outlook for the AI and tech sector remains cautiously optimistic, though analysts highlight that earnings growth must now carry a larger burden since valuation multiples are elevated. Projections indicate S&P 500 earnings growth exceeding 15% in 2026, a prerequisite for achieving year-end price targets between 7,400 and 8,000 quoted by CFRA and Deutsche Bank respectively. Importantly, the 'Magnificent Seven' mega-cap AI leaders, while continuing to dominate profit growth, are expected to see a narrowing earnings growth gap relative to broader market participants—signaling healthier breadth.

Geopolitical factors have reasserted influence, particularly in semiconductor and AI chip stocks, amid rising U.S.–China tensions. The U.S. government's intention to impose tariffs on Chinese semiconductor imports, delayed until June 2027, was met with formal opposition from China, signaling prolonged strategic friction. This geopolitical environment feeds into uncertainties about export licenses, supply chain localization, and risk premiums, directly affecting AI chip makers with cross-border exposures.

Looking forward, investors in AI and tech stocks should monitor capex guidance trends closely, as any indication of stretched payback timelines could compress valuations sharply. The evolving financing models for AI data centers will warrant attention for their systemic implications. Furthermore, regulatory developments and geopolitical shifts, especially surrounding chip tariffs and access to Chinese markets, could pivotally reshape industry dynamics. Enterprise software players are expected to pursue M&A to consolidate AI and security capabilities, intensifying competition.

In essence, while AI stocks remain the market's focal point entering 2026, the narrative is transitioning from growth optimism to proof of profitability and capital efficiency. Companies able to convert AI ambitions into transparent cash flows and solid returns on invested capital will likely emerge as clear leaders in an increasingly discerning investment environment under U.S. President Trump's administration, which continues to navigate the complex intersections of economic policy, technology advancement, and international trade.

Explore more exclusive insights at nextfin.ai.