← All notesThe dashboard →
September 2, 2026 · market close

Nvidia Lifts the Dow and S&P 500 While Cybersecurity Names Drag the Nasdaq 100

A single-stock gain in Nvidia carried the major indexes higher even as Palo Alto Networks and Palantir pulled the Nasdaq 100's advance to almost nothing.

The S&P 500 closed at 7,666.60, up 35.13 points, or 0.46%, on the day. Breadth was solidly positive, with 298 of the index's 498 members finishing higher, but the index's own math leaned narrow: the top five point contributors made up 79% of the total gain, well above the index's typical concentration.

The S&P 500 through the session

Nvidia did most of the work, adding 20.77 points on a 3.21% gain, more than half the index's total move by itself. Meta Platforms and Micron Technology followed with smaller but real additions, and Dell Technologies posted a 15.76% return that translated into just 2.13 points given its index weight. On the other side, Microsoft shaved 4 points, and cybersecurity was the day's soft spot: Palo Alto Networks fell 9.28% and cost the index 3.81 points, while Palantir Technologies dropped 5.81% for a 3.24-point drag. CrowdStrike Holdings also finished lower.

S&P 500 attribution map, cell size = points contributed

The Dow

The DJIA closed at 53,062.00, up 295.12 points, or 0.56%, with 22 of its 30 members higher. This was the more broadly supported of the two large-cap gauges, and its leadership looked different from the S&P's: Caterpillar was the single biggest point contributor at 77.27 points on a 1.67% gain, ahead of Nvidia's 41.43-point add. Visa and American Express both contributed over 34 points each, and Amgen chipped in 28.05. Honeywell was the main drag, down 1.86% for a 23.24-point subtraction, with Microsoft, 3M, Home Depot, and Salesforce also finishing in the red but by smaller amounts.

The Dow through the session Dow attribution map, cell size = points contributed

The Nasdaq 100

The Nasdaq 100 closed at 29,143.33, up 66.11 points, or just 0.23%, the smallest gain of the three indexes despite Nvidia contributing 65.04 points here, its largest point add of the day across any index. Meta Platforms and both share classes of Alphabet also added meaningfully, alongside Micron. But breadth was the weakest of the day at 55 of 100 members higher, and the same cybersecurity names that dented the S&P hit this index harder in relative terms: Palo Alto Networks cost 10.61 points, Palantir 9.73, and Space Exploration Technologies Corp. subtracted 7.99 points on a comparatively modest 1.07% decline. CrowdStrike and Microsoft rounded out the drag. The gap between this index's muted 0.23% move and the S&P's 0.46% gain, despite Nvidia's outsized push here, is the clearest sign that losses concentrated in a handful of names offset the mega-cap strength.

The Nasdaq 100 through the session Nasdaq 100 attribution map, cell size = points contributed

The sectors

Ten of eleven sectors finished higher, with only Technology dipping fractionally, down 0.01%.

The 11 sectors by move, top contributor named

Materials led the day, up 1.73%, with Nucor Corp the top driver on a 4.78% gain. Communication Services followed closely at 1.39%, powered by Meta Platforms' 2.47% move. Financials and Health Care both added around three-quarters of a percent, with Visa and Johnson & Johnson as their respective top names.

Materials: what moved it

Real Estate was the day's weakest sector, down 0.70%, weighed down by Prologis Inc, which fell 2.2%. Technology's flat finish reflected the same cybersecurity weakness visible in the index attribution, with Palo Alto Networks the largest single drag on that sector.

Real Estate: what moved it

None of today's index moves qualify as large by the past year's standard. The S&P 500's gain sits at the 69th percentile of moves over the past year, the Dow's at the 76th, and the Nasdaq 100's at the 52nd, all comfortably short of the 85th-percentile threshold that would mark an outsized session.

The numbers

From Babylon Burns

WMTMT is brought to you by the founders of Babylon Burns. If you want to stay ahead of the markets, read their recent piece on missing the big long trade: ARE YOU SERIOUSLY GONNA MISS “THE BIG LONG”?.

Want our free weekly recap of what moved the market, straight to your inbox? Subscribe to the WMTMT Substack.

Goldman Sachs and Caterpillar Sink the Dow W
Babylon Burns

The letter on markets and macro by the people who built this engine. Subscribing below joins the Babylon Burns letter.

Compiled by the WMTMT attribution engine from the session's official data · built by the founders of Babylon Burns