XLV · WMTMT

Sep 10Sep 17Sep 25Oct 2Oct 9

Breadth

41 / 60

stocks rose with the index

Concentration

57%

of the gain from LLY, ABBV, MRNA

Biggest driver

LLY +1.20

ELI LILLY + CO, +4.96%

Biggest drag

CVS −0.38

CVS HEALTH CORP, −9.57%

What drove it

60 members · drivers first · 1M · residual 40.7bp within 60bp gate

The XLV rose 3.11% (+5.16 pts) on the month, and 57% of that gain came from just three stocks: LLY, ABBV, MRNA.

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

+7.1 pts from 38 gainers−1.8 pts from 22 losers

net +5.2 pts · gainers outweigh losers 3.9 to 1

Stock

Points

Return

XLVsum of all 60 stocks

+5.2

+3.11%

LLYELI LILLY + CO

+1.2

+4.96%

ABBVABBVIE INC

+1.0

+8.41%

MRNAMODERNA INC

+0.7

+64.69%

ISRGINTUITIVE SURGICAL INC

+0.7

+17.62%

TMOTHERMO FISHER SCIENTIFIC INC

+0.5

+9.16%

AMGNAMGEN INC

+0.4

+8.47%

ILMNILLUMINA INC

+0.3

+38.21%

DHRDANAHER CORP

+0.3

+9.83%

GILDGILEAD SCIENCES INC

+0.3

+4.98%

AAGILENT TECHNOLOGIES INC

+0.2

+19.30%

MCKMCKESSON CORP

+0.2

+6.57%

VEEVVEEVA SYSTEMS INC CLASS A

+0.1

+13.43%

MTDMETTLER TOLEDO INTERNATIONAL

+0.1

+21.07%

HCAHCA HEALTHCARE INC

+0.1

+7.28%

PFEPFIZER INC

+0.1

+2.24%

30 othersclick to expand the full index

+0.8

BSXBOSTON SCIENTIFIC CORP

−0.0

−0.84%

ALGNALIGN TECHNOLOGY INC

−0.0

−5.31%

CNCCENTENE CORP

−0.0

−0.05%

ZBHZIMMER BIOMET HOLDINGS INC

−0.0

−3.35%

EWEDWARDS LIFESCIENCES CORP

−0.0

−1.81%

ELVELEVANCE HEALTH INC

−0.0

−0.90%

VRTXVERTEX PHARMACEUTICALS INC

−0.0

−0.87%

INCYINCYTE CORP

−0.0

−8.51%

MDTMEDTRONIC PLC

−0.1

−2.60%

REGNREGENERON PHARMACEUTICALS

−0.2

−5.89%

BMYBRISTOL MYERS SQUIBB CO

−0.2

−6.32%

JNJJOHNSON + JOHNSON

−0.2

−1.84%

ABTABBOTT LABORATORIES

−0.2

−3.56%

UNHUNITEDHEALTH GROUP INC

−0.3

−1.72%

CVSCVS HEALTH CORP

−0.4

−9.57%

Cap weighting, illustrated

ELI LILLY + CO and BIOGEN INC moved almost identically (+4.96% vs +4.77%), yet LLY moved the XLV 30.5× 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 +5.16 pt move · cell size = points contributed · color = direction, intensity = return

LLY+1.2 pts(+5.0%)

ABBV+1.0 pts(+8.4%)

MRNA+0.7 pts(+64.7%)

ISRG+0.7 pts(+17.6%)

TMO+0.5 pts(+9.2%)

AMGN+0.4 pts(+8.5%)

CVS−0.4 pts(−9.6%)

UNH−0.3 pts(−1.7%)

ILMN+0.3 pts(+38.2%)

DHR+0.3 pts

GILD+0.3 pts

ABT−0.2 pts

JNJ−0.2 pts(−1.8%)

A+0.2 pts(+19.3%)

BMY−0.2 pts(−6.3%)

REGN−0.2 pts

MCK+0.2 pts

VEEV

MTD

HCA+0.1 pts

PFE

MDT

HUM

SYK

WAT+0.1 pts

BDX

MRK

VRTX

WST

CRL

ELV

Concentration curve

cumulative share of the +5.16 pt move · sorted by contribution

When they drove it

cumulative points through the period

Breadth

member returns, this period

−10%+10%+30%+50%

From −9.57% (CVS) to +64.69% (MRNA). Equal-weight, the XLV would be +4.48% vs the actual +3.11%; the gap is what cap weighting did.

By sector

point contribution · sums to +5.16 pts

-60

+5.3

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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