← All notesThe dashboard →
August 3, 2026 · market close

Microsoft, Alphabet and Boeing Push a Broad Rally Across the S&P 500, Dow and Nasdaq 100

All three major indexes closed sharply higher on wide breadth, with megacap technology and an 8% jump in Boeing doing the heaviest lifting.

The S&P 500 closed at 7,600.50, up 110.78 points, or 1.48%, on the day. Breadth was strongly positive, with 340 of the index's 503 members finishing higher, and the advance was not a one-stock story: the equal-weight version of the index rose 1.04%, not far off the headline gain. Concentration ran a bit above the equal-weight number, with the top five contributors accounting for 46% of the index's points move. Microsoft led at 19.99 points on a 4.93% gain, followed by Nvidia at 17.07 points and Amazon at 14.34 points. Alphabet's two share classes added a combined 20.79 points between them, with Class A up 4.88% and Class C up 4.44%. On the other side, Apple was the largest drag at 10.11 points on a 1.78% decline, with Eli Lilly, AbbVie, Chevron and Western Digital rounding out a short list of losers.

The S&P 500 through the session

The contributor map below shows just how wide the green was, with the big five techs dominating the tile sizes while the losing side stayed shallow.

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

The Dow

The Dow closed at 53,178.41, up 693.38 points, or 1.32%, with 19 of its 30 members higher. This is where the session's shape diverges from the S&P story. Boeing jumped 8.03%, adding 103.12 points, nearly matching Microsoft's 136.29-point contribution and outweighing anything Alphabet or Amazon did in the S&P. Caterpillar added 90.46 points on a comparatively modest 1.87% move, and Sherwin-Williams contributed 79.47 points on a 3.92% gain, both names that carry outsized weight in the price-weighted Dow but barely register in the S&P's math. The drag side also looked different: Amgen, McDonald's, Merck and Chevron pulled the Dow lower, none of which show up meaningfully in the S&P's top losers, a reminder that the Dow's 30-name, price-weighted structure can tell a distinct story from the broad market even on a day when both indexes rose by similar percentages.

The Dow through the session

Dow attribution map, cell size = points contributed

The Nasdaq 100

The Nasdaq 100 closed at 28,776.80, up 502.60 points, or 1.78%, the largest percentage gain of the three indexes, with 70 of 103 members higher. Alphabet dominated here in a way it didn't elsewhere: its two share classes together added 182.79 points, more than any other name, ahead of Microsoft's 76.65 points, Nvidia's 64.17 points and Amazon's 60.25 points. Concentration in the Nasdaq 100 ran to 52%, the highest of the three indexes, underscoring how much of the gain rode on a handful of megacaps. Apple was again the standout laggard, subtracting 36.30 points on its 1.78% decline, and Marriott's 6.97% drop, though small in points at 3.09, was the sharpest single percentage move on either side of the index. Texas Instruments, Western Digital and Seagate rounded out a soft patch among chip and storage names that stood apart from the broader tech strength.

The Nasdaq 100 through the session

Nasdaq 100 attribution map, cell size = points contributed

The sectors

All eleven sectors were in play, though the spread between the best and worst was wide. Communication Services, Consumer Discretionary and Industrials led, each up more than 1.8%, while Technology followed close behind. Materials and Financials posted smaller gains. Real Estate and Utilities were essentially flat. Health Care, Consumer Staples and Energy were the only sectors to close lower.

The 11 sectors by move, top contributor named

Communication Services was the day's strongest sector, up 2.82%, or 3.05 points. Meta led the group, up 6.02% and contributing 1.03 points, the single largest driver in any sector today.

Communication Services: what moved it

Energy was the weakest sector, down 1.31%, or 0.78 points, with Chevron the biggest drag at 1.85% lower and a 0.16-point subtraction.

Energy: what moved it

Against the past year, today's move ranks large by any measure. The S&P 500's advance sits at the 96th percentile, the Dow's at the 95th percentile, and the Nasdaq 100's at the 92nd percentile, putting all three among the widest single-day gains this index tool has recorded over the trailing twelve months.

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 oil price manipulation: How the US manipulates oil prices.

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

Caterpillar and Goldman Sachs Sink the Dow WCaterpillar, Palantir and a Chip Rally Send
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