503 members · drivers first · 1M · residual 6.9bp within 60bp gate
The S&P 500 rose 3.56% (+264 pts) on the month, but 217 of 503 members went the other way. MSFT and NVDA carried the tape higher, accounting for 62% of the gain.
+440.5 pts from 270 gainers−176.4 pts from 233 losers
net +264.1 pts · gainers outweigh losers 2.5 to 1
Stock
Points
Share
Return
S&P 500sum of all 503 stocks
+264.1
100%
+3.56%
MSFTMICROSOFT CORP
+91.9
35%
+26.61%
NVDANVIDIA CORP
+36.4
14%
+8.42%
AMZNAMAZON.COM INC
+35.6
13%
+12.82%
GOOGLALPHABET INC CL A
+14.9
6%
+6.25%
TSLATESLA INC
+13.4
5%
+13.27%
PLTRPALANTIR TECHNOLOGIES INC A
+11.5
4%
+31.32%
GOOGALPHABET INC CL C
+9.7
4%
+5.14%
MRKMERCK + CO. INC.
+7.5
3%
+19.65%
NFLXNETFLIX INC
+6.2
2%
+16.80%
NEMNEWMONT CORP
+5.4
2%
+44.58%
LLYELI LILLY + CO
+5.2
2%
+3.17%
ORCLORACLE CORP
+5.2
2%
+20.70%
XOMEXXONMOBIL HOLDINGS CORP
+5.2
2%
+4.44%
MRVLMARVELL TECHNOLOGY INC
+4.6
2%
+27.07%
MAMASTERCARD INC A
+4.6
2%
+8.61%
473 othersclick to expand the full index
+115.2
44%
·
CVSCVS HEALTH CORP
−2.1
−1%
−13.26%
TXNTEXAS INSTRUMENTS INC
−2.2
−1%
−6.45%
UNHUNITEDHEALTH GROUP INC
−2.2
−1%
−5.04%
GEVGE VERNOVA INC
−2.2
−1%
−7.10%
TJXTJX COMPANIES INC
−2.4
−1%
−10.52%
WMTWALMART INC
−3.0
−1%
−5.47%
AMDADVANCED MICRO DEVICES
−3.0
−1%
−3.19%
APPAPPLOVIN CORP CLASS A
−3.2
−1%
−24.76%
KLACKLA CORP
−3.3
−1%
−9.74%
CATCATERPILLAR INC
−3.4
−1%
−7.14%
INTCINTEL CORP
−3.6
−1%
−4.57%
AMATAPPLIED MATERIALS INC
−4.1
−2%
−7.03%
METAMETA PLATFORMS INC CLASS A
−6.0
−2%
−4.01%
AVGOBROADCOM INC
−17.2
−7%
−6.91%
AAPLAPPLE INC
−50.4
−19%
−7.94%
Cap weighting, illustrated
APPLE INC and HORMEL FOODS CORP moved almost identically (−7.94% vs −8.75%), yet AAPL moved the S&P 500 600.8× as much. In a cap-weighted index, the bigger company's weight turns the same percentage move into far more points.
Attribution map
slicing the +264 pt move · cell size = points contributed · color = direction, intensity = return
MSFT+91.9 pts(+26.6%)
AAPL−50.4 pts(−7.9%)
NVDA+36.4 pts(+8.4%)
AMZN+35.6 pts(+12.8%)
AVGO−17.2 pts
GOOGL+14.9 pts(+6.2%)
TSLA+13.4 pts(+13.3%)
PLTR+11.5 pts(+31.3%)
GOOG+9.7 pts(+5.1%)
MRK+7.5 pts
NFLX
META−6.0 pts
NEM
ORCL
XOM
MRVL
383 more+4.5 pts
AMGN+4.4 pts
AMAT
MRNA
INTC
CVX
KO
LRCX
APP
UBER
PANW
AMD
TMO
WMT
DIS
NOW
PFE
GILD
ANET
JNJ
ACN
TJX
BRK-B
GEV
UNH
TXN
MPC
ABBV
Concentration curve
cumulative share of the +264 pt move · sorted by contribution
When they drove it
cumulative points through the period
Breadth
member returns, this period
−50%0%+50%+100%+150%
From −28.92% (LII) to +185.51% (MRNA). Equal-weight, the S&P 500 would be +3.35% vs the actual +3.56%; the gap is what cap weighting did.
By sector
point contribution · sums to +264 pts
-503
+264.1
The year, session by session
every trading day of 2026 · hover for the move
JANFEBMARAPRMAYJUNJULAUG
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S&P 500
What moved the market
1M · AUG 25, 2026
+3.56%
+264.1 pts · closed 7,677.28
286 of 503 rose · 217 fell
MSFT+26.6%
+91.9
NVDA+8.4%
+36.4
AMZN+12.8%
+35.6
GOOGL+6.2%
+14.9
TSLA+13.3%
+13.4
INTC−4.6%
−3.6
AMAT−7.0%
−4.1
META−4.0%
−6.0
AVGO−6.9%
−17.2
AAPL−7.9%
−50.4
MSFT carried a split tape · 217 of 503 went the other wayWMTMT.COM
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