Nvidia at $5.76 Trillion While the 10-Year Yield Nears 5.3%: Why the Nasdaq Still Hit a Record

Introduction: A Market That Is Defying an Old Rule

October 5 produced a striking combination. The Nasdaq Composite closed at a record 27,477.31, up 1.05%. Nvidia rose 2.1% to a record close and a market capitalization of about $5.76 trillion. Microsoft gained 1.5%, while Meta and Tesla rose around 2%.

At the same time, the U.S. 10-year Treasury yield was trading near 5.3%, a level that would normally be considered a serious valuation headwind for long-duration growth stocks. The Federal Reserve’s H.15 data had already shown the 10-year constant-maturity yield at 5.28% on October 2, while market trading on October 5 pushed around 5.31%.

High yields usually reduce the present value of future earnings and give investors a more attractive risk-free alternative to equities. Yet the most expensive and duration-sensitive part of the stock market led the rally. Understanding why is important because it reveals what is currently driving index returns: expectations for unusually strong earnings growth, lower near-term Fed tightening risk and extreme confidence in the AI profit cycle.

What Happened

The S&P 500 rose 0.66% to 7,773.95 on October 5, leaving it about 0.3% below its August record. The Nasdaq gained 1.05% to a record 27,477.31, while the Dow added 0.18% to 51,267.90.

Nvidia was one of the main contributors, rising 2.1% and reaching a record close. Its market capitalization climbed to roughly $5.76 trillion. Microsoft advanced 1.5%, and Meta and Tesla gained about 2% each. Ten of the 11 S&P 500 sectors finished higher, so the move was broader than a single-stock squeeze, although mega-cap technology still had an outsized index effect.

Two macro developments helped. Oil prices eased as Middle East exports increased and G7 countries pledged to boost supplies. Separately, the weaker September employment report released on October 2 reduced expectations for another Federal Reserve rate increase at the October meeting. Reuters reported that futures pricing implied about a 24% chance of a hike on October 5, down sharply from roughly 70% a week earlier.

Why High Bond Yields Normally Hurt Tech

A stock is theoretically worth the present value of future cash flows. When the discount rate rises, future cash flows are worth less today. Growth companies are especially sensitive because a larger portion of their expected profits lies further in the future.

Treasury yields also create a competing return. When a 10-year government bond offers more than 5%, investors no longer need to accept as much equity risk to earn a meaningful nominal return. That can pressure price-to-earnings multiples even if company earnings remain healthy.

Historically, this is why rapid increases in real and nominal yields often hit high-multiple technology stocks. The fact that the Nasdaq is setting records while the 10-year yield sits near multi-decade highs suggests that the numerator in the valuation equation — expected earnings — is currently rising fast enough to offset the denominator.

The Earnings Argument Behind the Rally

Investors are entering third-quarter earnings season expecting exceptional profit growth. Reuters cited LSEG estimates showing S&P 500 earnings expected to rise more than 30% year over year, driven heavily by AI-related companies.

That matters because valuation multiples can look less extreme when earnings rise quickly. A stock can reach a higher price without becoming more expensive on a forward earnings basis if analysts are simultaneously raising profit estimates.

Nvidia is the clearest example. Its valuation is enormous in absolute market-cap terms, but the company has also been growing earnings and cash flow at rates rarely seen in companies of its size. Demand for AI accelerators, networking and systems remains the central profit engine, while next-generation Rubin products broaden the market’s expectations for future data-center spending.

The market is therefore not simply paying more for the same earnings stream. It is betting that the earnings stream itself will keep expanding.

Why the Fed Shift Matters Even With Long Yields High

The September jobs report weakened the case for an immediate October rate increase. That affects the front end of the yield curve and investor expectations for policy risk. Even if the 10-year yield remains elevated because of inflation, fiscal deficits or term premium, the probability of a near-term policy shock matters for equities.

A lower chance of a rate hike reduces the risk that financial conditions suddenly tighten further. It also supports the idea that the Federal Reserve may tolerate slower growth without adding another layer of restraint.

This creates an unusual environment: long-term yields can remain high while the market becomes less afraid of the next Fed meeting. For mega-cap technology companies with large cash balances and strong margins, that can be enough for earnings momentum to dominate valuation anxiety.

Market Impact: Concentration Is Both a Strength and a Risk

Nvidia’s $5.76 trillion market value means a relatively small percentage move in the stock can add or subtract enormous amounts from index capitalization. Microsoft, Meta and other mega caps create the same dynamic.

That concentration helps explain how the Nasdaq can keep making records even when parts of the market face pressure from high financing costs. The largest companies are often less dependent on external funding than smaller firms. They also benefit directly from AI capital spending that is itself driving a large portion of current earnings growth.

But concentration cuts both ways. When a small group of companies accounts for a large share of index earnings growth and market capitalization, disappointment in one or two major names can have a disproportionate effect on the entire index.

Market Debate: Productivity Boom or Crowded Trade?

The bullish case is that the market is correctly discounting an AI-driven productivity cycle. Hyperscalers are spending heavily, chip demand remains strong and software companies are beginning to monetize AI features. If AI raises revenue per employee and lowers operating costs across industries, current infrastructure spending could translate into a larger profit pool over time.

The skeptical case is that the investment cycle has run ahead of realized returns. Data centers, GPUs, networking and power infrastructure require enormous capital. If enterprise AI revenue grows more slowly than the infrastructure bill, future depreciation and energy costs could pressure margins.

There is also a valuation question. Even if Nvidia’s earnings keep rising, a $5.76 trillion market cap embeds expectations that are difficult for any company to exceed indefinitely. The higher the starting expectations, the more sensitive the stock becomes to small changes in growth assumptions.

Risks

The first risk is bond yields. If the 10-year yield rises materially above 5.3% because inflation or fiscal risk worsens, equity discount rates could finally overwhelm earnings optimism. The second is earnings disappointment. Third-quarter results must validate the more-than-30% aggregate earnings-growth expectation.

The third is AI capital-spending efficiency. If customers slow orders after building capacity, semiconductor and infrastructure earnings estimates could fall quickly. The fourth is concentration: index investors are increasingly exposed to the same mega-cap earnings cycle.

Oil and geopolitics remain another variable. Lower crude supported equities on October 5, but renewed energy-price pressure would complicate both inflation and the Fed outlook.

What to Watch Next

The next major test is earnings season, beginning with large U.S. banks and then moving into mega-cap technology. Investors should watch not only headline EPS but also capital expenditure, cloud growth, AI revenue, gross margins and forward guidance.

Treasury yields remain the second dashboard. A stable 10-year yield around current levels would suggest the market can absorb high rates as long as earnings stay strong. A breakout higher, especially alongside rising inflation expectations, would challenge that thesis.

The Fed’s October meeting and the next inflation data will determine whether the sharp decline in hike expectations persists. Breadth also matters: if the S&P 500 can approach new highs with more sectors participating, the rally becomes less dependent on a handful of technology leaders.

Conclusion

The October 5 record was not evidence that interest rates no longer matter. It was evidence that, for now, earnings expectations matter more.

Nvidia’s record valuation and the Nasdaq’s new high show how powerful the AI profit narrative has become. The market is willing to tolerate a 10-year Treasury yield near 5.3% because investors expect exceptional earnings growth and see less near-term risk of another Fed hike. That balance can hold, but it is demanding. Either earnings must keep rising fast enough to justify the prices, or yields eventually have to come down. If neither happens, the same concentration that is lifting the index can amplify the reversal.