为什么能源股上涨，而像Nvidia这样的科技巨头则拥有溢价估值

The first quarter of 2026 has painted a dramatic picture of market sentiment shift. Oil and gas stocks have experienced a powerful rebound, climbing 24.2% year to date, while the broader S&P 500 has managed just 0.5%. Geopolitical tensions in Iran and rising crude prices have fueled this energy sector renaissance, leaving many investors wondering whether oil and gas stocks now offer genuine value compared to the technology behemoths that dominated recent years.

Yet here’s the surprising twist: despite this impressive rally, Nvidia alone commands a market capitalization larger than the entire energy sector’s 3.5% weighting in the S&P 500. Nvidia represents 6.9% of the index—more than the combined value of ExxonMobil, Chevron, and the approximately 20 other energy companies in the S&P 500. This stark contrast raises an important question: are both scenarios possible simultaneously? Can energy stocks be undervalued while Nvidia justifies its enormous premium?

The Profitability Story: Why Bigger Valuations Sometimes Make Sense

The answer lies in understanding what drives stock valuations beyond simple price movements. Nvidia’s financial performance tells a compelling story. The chip giant generated $120 billion in trailing-12-month profits, making it the world’s second-most profitable company behind only Alphabet. To put this in perspective, Nvidia’s annual earnings dwarf those of ExxonMobil and Chevron combined.

This superior profitability translates into superior margins. Nvidia converts more than half its revenue into after-tax net profit—a feat that even the most efficient oil and gas operators struggle to match. When combined with a 65% revenue growth rate over the past year, the company’s expansion trajectory differs fundamentally from traditional energy businesses that operate in more mature markets.

The valuation metrics reflect this reality. While Nvidia trades at a 36.1 price-to-earnings ratio compared to 22.3 for the State Street Energy Select Sector SPDR ETF (which tracks energy stocks), the more important comparison is forward-looking. Nvidia’s forward P/E ratio actually sits below that of ExxonMobil and Chevron, meaning that if the company delivers on Wall Street’s growth expectations, it may represent better value than energy majors on a forward basis.

The 2026 Sector Rotation: Understanding Market Preferences

What makes 2026 particularly interesting is how sharply investor preferences have shifted. Not long ago, mega-cap growth stocks like Nvidia powered the S&P 500 to new records. Today, traditionally cheaper sectors—energy, materials, and consumer staples—are outperforming significantly. This isn’t random movement; it reflects a deliberate reallocation toward what investors perceive as safer, more tangible investments.

Oil and gas stocks benefit from a distinct advantage in this environment: they represent hard assets with limited exposure to artificial intelligence disruption. Unlike software companies that could face existential challenges from advanced AI systems, energy companies’ core business—extracting, transporting, and selling hydrocarbons—remains relatively insulated from technological obsolescence. Markets reward this tangibility.

However, the sector’s recent strength doesn’t automatically make every energy company a compelling buy. The key distinction lies in quality. ExxonMobil and Chevron have demonstrated rock-solid balance sheets capable of sustaining operations, long-term investments, and shareholder returns across the complete oil price cycle. Both maintain the financial flexibility to support their current dividend payout levels even if crude prices fall substantially.

Valuation Across Sectors: The Art of Selective Investing

Perhaps the most important lesson from comparing Nvidia to oil and gas stocks is that contradictory observations can both be true. Energy stocks may indeed be relatively cheap after underperforming throughout 2025, yet Nvidia can simultaneously deserve its premium valuation based on superior earnings and growth prospects.

The trap many investors fall into is treating sector rotation as a signal to abandon winners wholesale or chase yesterday’s laggards indiscriminately. A more sophisticated approach involves identifying high-quality companies within each sector—organizations built to thrive across economic cycles.

Within the energy complex, this means seeking companies with:

• Strong balance sheets capable of weathering commodity price volatility
• Diversified and cost-efficient asset bases reducing concentration risk
• Consistent track records of returning capital to shareholders
• Sustainable competitive advantages in regulated or specialized markets

ExxonMobil exemplifies this profile, having increased its dividend for 43 consecutive years while maintaining a 2.7% yield. Chevron has boosted payouts for 39 consecutive years and offers a 3.8% yield. These aren’t speculative plays on higher oil prices; they’re income-generating businesses with deep operational expertise.

Building Long-Term Wealth: Where Does Each Sector Fit?

For passive-income investors who believe sustained global demand for hydrocarbons will persist despite renewable energy adoption, quality oil and gas stocks offer compelling value. The high dividend yields and capital appreciation potential from rising commodity prices provide a powerful combination.

Conversely, Nvidia remains an excellent core holding for investors convinced the company will maintain its leadership position in generative AI while successfully transitioning to emerging technologies like agentic AI and physical AI.

The real strategic insight isn’t choosing between these options; it’s recognizing that both can coexist in a well-constructed portfolio. Diversification across sectors with different risk profiles, cash generation methods, and growth trajectories smooths returns and reduces concentration risk.

The Bottom Line: Valuation and Quality Trump Timing

The energy sector’s 2026 rally demonstrates that value opportunities can reemerge rapidly when market psychology shifts. However, chasing sector momentum without analyzing underlying fundamentals remains a recipe for disappointment.

Instead, focus on time-tested principles: invest in companies with sustainable competitive advantages, strong financial positions, and management teams committed to long-term value creation. Whether evaluating oil and gas stocks or semiconductor leaders, this framework applies equally.

Energy stocks deserve serious consideration as portfolio components, not because of short-term momentum, but because quality producers offer genuine value for investors willing to look beyond the headlines at actual cash generation, profitability, and financial strength.