Tech Stocks Push S&P 500, Nasdaq to Record Highs as Yields Ease

Wall Street's major indexes closed at fresh records on Tuesday, October 6, 2026, with gains concentrated in a handful of technology and semiconductor companies. The S&P 500 rose about 0.7% to a new closing high, and the Nasdaq Composite added roughly 0.4% for a second straight record session, according to Yahoo Finance's live markets coverage.

What happened on the record-setting day

The S&P 500 touched an intraday all-time high of 7,817.13 points, edging past its previous record of 7,816.70 set on August 13, before paring gains and closing higher on the day, Reuters reported via Investing.com. Earlier in the session, at 9:31 a.m. ET, the index stood at 7,811.72 (+0.48%), the Dow Jones Industrial Average was at 51,432.35 (+0.32%) and the Nasdaq Composite was at 27,639.89 (+0.59%), the same report said. By the close, the Dow was up about 0.5%, according to Yahoo Finance.

Nvidia and AMD both touched all-time highs during the session, and Nvidia's market capitalization approached $6 trillion, Yahoo Finance reported. Marvell Technology was among the day's biggest movers: Yahoo Finance said the chipmaker's shares surged roughly 8% after it raised its fiscal 2028 revenue guidance to $20 billion, while GuruFocus, citing earlier trading, put Marvell's gain at about 4% and AMD's at roughly 2%, with AMD closing at $632.03.

Why technology stocks are leading

The gains were driven largely by continued investor enthusiasm for artificial-intelligence infrastructure spending. AMD chief executive Lisa Su said demand for computing capacity 'continues to outrun supply,' a comment Yahoo Finance linked to the chip sector's strength; the report also noted that Taiwan-based Nvidia partner Foxconn had posted results supporting that outlook.

Other chip and tech names moved on the same optimism. A separate Yahoo Finance report said Broadcom rose more than 3% and AMD gained more than 2.5% to a new record, while Intel, ASML and Applied Materials declined on the same day, pointing to divergence even within the semiconductor group. Elsewhere, Amazon rose 1.95%, Netflix gained 1.76% and Tesla added 0.51%, while Meta slipped 0.41%, according to Investing.com's Reuters report.

Bond yields and oil prices provide a tailwind

Falling bond yields helped growth and technology stocks, which are sensitive to borrowing costs. Yahoo Finance reported that the 10-year Treasury yield eased to 5.27% on October 6 after closing a day earlier at its highest level in 24 years; the 30-year yield stood at 5.64%, close to levels last seen in 2002. Investing.com's Reuters report also cited declining crude oil prices as an additional factor easing cost pressures for growth-oriented companies.

A narrow rally raises breadth concerns

Despite the records, several reports flagged that the advance was concentrated in a small number of companies. Yahoo Finance reported that Apple, Nvidia and Microsoft together accounted for about 21% of the S&P 500's total weight, and that utilities and consumer discretionary stocks — not technology — led sector gains on a percentage basis, with the technology sector itself only edging higher. Separately, Yahoo Finance's live markets report said just 25% of S&P 500 constituents were trading above their 50-day moving average, a measure of how many stocks are participating in the uptrend.

Yahoo Finance strategist commentary cited in its video coverage said analysts recommend portfolio diversification 'even though they're still bullish on the AI trade,' reflecting caution about reliance on a few mega-cap names even as indexes hit records.

Earnings season and background

The rally extends a bull market that Reuters, via Investing.com, said began in October 2022. Investors are also looking ahead to third-quarter corporate results: Yahoo Finance reported that analysts expect S&P 500 companies' profits to grow roughly 25% year-over-year, a figure cited as supporting market sentiment alongside the AI-spending narrative.

• S&P 500 intraday record: 7,817.13 points, topping the prior high of 7,816.70 set August 13 (Reuters via Investing.com)
• Nvidia market capitalization approached $6 trillion; Nvidia and AMD both hit all-time highs (Yahoo Finance)
• Marvell Technology raised fiscal 2028 revenue guidance to $20 billion and rallied on the news (Yahoo Finance)
• 10-year Treasury yield eased to 5.27% after a 24-year closing high the prior day; 30-year yield at 5.64% (Yahoo Finance)
• Apple, Nvidia and Microsoft combined make up about 21% of S&P 500 weight (Yahoo Finance)