XLV · WMTMT

Sep 30Oct 2Oct 6Oct 7Oct 9

Breadth

36 / 60

stocks rose with the index

Concentration

64%

of the gain from ABBV, LLY, MCK

Biggest driver

ABBV +0.67

ABBVIE INC, +5.68%

Biggest drag

TMO −0.22

THERMO FISHER SCIENTIFIC INC, −2.53%

What drove it

60 members · drivers first · QTD · residual 2.2bp within 60bp gate

The XLV rose 1.43% (+2.40 pts) so far this quarter, and 64% of that gain came from just three stocks: ABBV, LLY, MCK.

Read the latest market-close note: Goldman and Microsoft Push the Dow to a Large Gain While Telecoms Sink Communication Services

+3.4 pts from 32 gainers−1.0 pts from 28 losers

net +2.4 pts · gainers outweigh losers 3.3 to 1

Stock

Points

Return

XLVsum of all 60 stocks

+2.4

+1.43%

ABBVABBVIE INC

+0.7

+5.68%

LLYELI LILLY + CO

+0.6

+1.87%

MCKMCKESSON CORP

+0.3

+9.95%

MRNAMODERNA INC

+0.3

+16.84%

UNHUNITEDHEALTH GROUP INC

+0.2

+3.33%

ISRGINTUITIVE SURGICAL INC

+0.2

+4.26%

HUMHUMANA INC

+0.1

+12.89%

ELVELEVANCE HEALTH INC

+0.1

+6.16%

CORCENCORA INC

+0.1

+7.84%

GILDGILEAD SCIENCES INC

+0.1

+1.42%

CAHCARDINAL HEALTH INC

+0.1

+7.00%

HCAHCA HEALTHCARE INC

+0.1

+5.70%

CITHE CIGNA GROUP

+0.1

+3.90%

MDTMEDTRONIC PLC

+0.1

+2.58%

VEEVVEEVA SYSTEMS INC CLASS A

+0.1

+3.71%

30 othersclick to expand the full index

+0.2

PFEPFIZER INC

−0.0

−0.88%

WATWATERS CORP

−0.0

−1.29%

AAGILENT TECHNOLOGIES INC

−0.0

−0.91%

EWEDWARDS LIFESCIENCES CORP

−0.0

−1.30%

DXCMDEXCOM INC

−0.0

−2.53%

REGNREGENERON PHARMACEUTICALS

−0.0

−1.55%

BSXBOSTON SCIENTIFIC CORP

−0.0

−2.08%

INCYINCYTE CORP

−0.0

−7.05%

IQVIQVIA HOLDINGS INC

−0.0

−3.31%

DHRDANAHER CORP

−0.1

−0.77%

AMGNAMGEN INC

−0.1

−1.58%

VRTXVERTEX PHARMACEUTICALS INC

−0.1

−2.43%

JNJJOHNSON + JOHNSON

−0.1

−1.25%

BMYBRISTOL MYERS SQUIBB CO

−0.2

−4.30%

TMOTHERMO FISHER SCIENTIFIC INC

−0.2

−2.53%

Cap weighting, illustrated

ELI LILLY + CO and UNIVERSAL HEALTH SERVICES B moved almost identically (+1.87% vs +1.79%), yet LLY moved the XLV 60.1× 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 +2.40 pt move · cell size = points contributed · color = direction, intensity = return

ABBV+0.7 pts(+5.7%)

LLY+0.6 pts(+1.9%)

MCK+0.3 pts(+10.0%)

MRNA+0.3 pts(+16.8%)

UNH+0.2 pts(+3.3%)

TMO−0.2 pts(−2.5%)

ISRG+0.2 pts(+4.3%)

BMY−0.2 pts(−4.3%)

HUM+0.1 pts(+12.9%)

ELV+0.1 pts(+6.2%)

COR+0.1 pts(+7.8%)

JNJ−0.1 pts

GILD+0.1 pts

CAH+0.1 pts(+7.0%)

HCA+0.1 pts

VRTX−0.1 pts

AMGN−0.1 pts

MDT+0.1 pts

DHR−0.1 pts

VEEV

ZTS+0.1 pts

MRK+0.0 pts

INCY

RMD

BDX

CNC

BSX

REGN

DXCM

Concentration curve

cumulative share of the +2.40 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 −7.05% (INCY) to +16.84% (MRNA). Equal-weight, the XLV would be +1.57% vs the actual +1.43%; the gap is what cap weighting did.

By sector

point contribution · sums to +2.40 pts

-60

+2.4

The year, session by session

every trading day of 2026 · hover for the move

JANFEBMARAPRMAYJUNJULAUGSEPOCT

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What drove it

Attribution map

Concentration curve

When they drove it

Breadth

By sector

The year, session by session

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