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Fed funds (effective) 3.88%US 2-year 4.77%US 10-year 5.10%Official rates →

United States · Business news · Markets · 06 Oct 2026

S&P 500 and Nasdaq close at records as Nvidia nears a $6 trillion value; Marvell and Constellation lead

US Information Technology Utilities Health Care

What happened

On Tuesday October 6 the S&P 500 rose 0.58% to 7,818.93, a record close, and the Nasdaq Composite added 0.45% to 27,599.79, its second record in a row. The Dow gained 253 points to 51,521.28, while the small-cap Russell 2000 fell 0.59%. Nvidia and AMD touched new highs. Constellation Energy rose about 13% after its nuclear power agreement with Google, Marvell gained about 8% on a higher revenue target, and Novavax fell about 9%. The 10-year Treasury yield eased to 5.27%.

Why it matters for listed companies

The advance was narrow: the report notes only about 25% of S&P 500 companies were trading above their 50-day average, and smaller companies fell on the day. Index gains are coming from AI chipmakers and from power producers that sell electricity to data centres, while a 10-year yield near 5.3% and a 30-year yield of 5.64% keep borrowing costs high for rate-sensitive groups such as small caps, property and utilities without AI contracts. Third-quarter earnings season starts next week.

Reported by Yahoo Finance — “Stock market today: S&P 500, Nasdaq hit record highs as Nvidia, AMD lead tech higher” ↗ on 06 Oct 2026.

Rates and currencies since this was reported

Official series on 06 Oct 2026 or the last day before it, and the latest observation.

US Treasury 2-year yield
4.79% → 4.77% -2 bp
06 Oct 2026 → 15 Oct 2026 · US Treasury
US Treasury 10-year yield
5.27% → 5.10% -17 bp
06 Oct 2026 → 15 Oct 2026 · US Treasury
Effective fed funds rate
3.88% → 3.88% unchanged
06 Oct 2026 → 15 Oct 2026 · Federal Reserve Bank of New York
Euro in US dollars
1.1269 → 1.1253 -0.0016
06 Oct 2026 → 16 Oct 2026 · ECB reference rate
These figures are measured, not attributed. Prices and rates move for many reasons at once; they show what happened after this story, not that the story caused it. Nothing here is a recommendation to buy, sell or hold.

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