DJIA · WMTMT

Aug 19Aug 20Aug 21Aug 24Aug 25

30-minute bars · index reconstructed live from member prices

Breadth

18 / 30

stocks rose with the index

Concentration

100%+

of the gain from MRK, V, GS

Biggest driver

MRK +126

Merck, +15.74%

Biggest drag

CAT −178

Caterpillar, −3.56%

What drove it

30 members · drivers first · 1W · residual 0.399bp within 1bp gate

The DJIA rose 0.44% (+234 pts) on the week, and more than all of that gain came from just three stocks: MRK, V, GS.

Read the latest market-close note: Nvidia and Goldman Sachs Lead a Narrow Advance as Energy and Staples Slide

+755.6 pts from 18 gainers−524.2 pts from 12 losers

net +233.6 pts · gainers outweigh losers 1.4 to 1

Stock

Points

Return

DJIAsum of all 30 stocks

+233.6

+0.44%

MRKMerck

+126.5

+15.74%

VVisa

+117.4

+5.42%

GSGoldman Sachs

+110.2

+1.78%

AMGNAmgen

+100.8

+3.99%

MSFTMicrosoft

+59.9

+2.09%

CRMSalesforce

+56.9

+4.88%

DISDisney

+43.3

+7.01%

SHWSherwin-Williams

+30.6

+1.49%

KOCoca-Cola

+16.8

+3.19%

GOOGLAlphabet

+16.4

+0.80%

UNHUnitedHealth

+15.8

+0.67%

JNJJohnson & Johnson

+12.0

+0.75%

PGProcter & Gamble

+11.7

+1.37%

TRVTravelers

+10.3

+0.47%

AMZNAmazon

+9.6

+0.62%

IBMIBM

+8.9

+0.65%

MCDMcDonald's

+6.5

+0.41%

HDHome Depot

+2.0

+0.10%

AAPLApple

−0.8

−0.04%

CSCOCisco

−3.0

−0.45%

NKENike

−3.5

−1.47%

MMM3M

−9.3

−0.86%

AXPAmerican Express

−15.3

−0.76%

CVXChevron

−34.7

−2.83%

JPMJPMorgan Chase

−38.9

−1.80%

NVDANvidia

−39.8

−3.04%

WMTWalmart

−58.4

−8.52%

BABoeing

−71.3

−5.38%

HONHoneywell

−71.5

−5.28%

CATCaterpillar

−177.8

−3.56%

Price weighting, illustrated

Caterpillar and Nvidia moved almost identically (−3.56% vs −3.04%), yet CAT moved the DJIA 4.5× as much. In a price-weighted index, a higher-priced share simply outvotes a cheaper one.

Attribution map

slicing the +234 pt move · cell size = points contributed · color = direction, intensity = return

CAT−177.8 pts(−3.6%)

MRK+126.5 pts(+15.7%)

V+117.4 pts(+5.4%)

GS+110.2 pts(+1.8%)

AMGN+100.8 pts(+4.0%)

HON−71.5 pts(−5.3%)

BA−71.3 pts(−5.4%)

MSFT+59.9 pts

WMT−58.4 pts(−8.5%)

CRM+56.9 pts(+4.9%)

DIS+43.3 pts

NVDA−39.8 pts(−3.0%)

JPM−38.9 pts(−1.8%)

CVX−34.7 pts

SHW+30.6 pts(+1.5%)

KO+16.8 pts

GOOGL

UNH

AXP

JNJ+12.0 pts

TRV

AMZN

MMM

IBM

Concentration curve

cumulative share of the +234 pt move · sorted by contribution

When they drove it

cumulative points through the period

Breadth

member returns, this period

−10%−5%0%+5%+10%+15%

From −8.52% (WMT) to +15.74% (MRK). Equal-weight, the DJIA would be +0.57% vs the actual +0.44%; the gap is what price weighting did.

By sector

point contribution · sums to +234 pts

Health Care4

+255.0

Financials5

+183.7

Information Technology6

+82.2

Communication Services2

+59.7

Materials1

+30.6

Consumer Discretionary4

+14.6

Consumer Staples3

−29.8

Energy1

−34.7

Industrials4

−329.9

The year, session by session

every trading day of 2026 · hover for the move

JANFEBMARAPRMAYJUNJULAUG

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Dow Jones Industrial Average

What drove it

Attribution map

Concentration curve

When they drove it

Breadth

By sector

The year, session by session

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