WMTMT
WHAT MOVED THE MARKET TODAY

Health Care · Select Sector

59 stocks · cap-weighted, ETF-derived weights · Aug 25, 2026 close
175.30
+20.50 (+13.24%)
XLV 175.30 · +20.5 pts (+13.24%) YTD
186.44174.83163.21151.60139.99EW +18.60%H 175.68 · Aug 19L 142.84 · Apr 29
Dec 31Mar 3Apr 29Jun 29Aug 25
Breadth
43 / 59
stocks rose with the index
Concentration
54%
of the gain from JNJ, MRK, LLY
Biggest driver
JNJ +4.41
JOHNSON + JOHNSON, +33.45%
Biggest drag
BSX −1.85
BOSTON SCIENTIFIC CORP, −47.71%

What drove it

59 members · drivers first · YTD · residual 28.9bp within 60bp gate

The XLV rose 13.24% (+20.50 pts) so far this year in a broad advance: 43 of 59 stocks rose, with JNJ out front at +4.41 points.

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

+26.3 pts from 45 gainers5.2 pts from 14 losers
net +20.5 pts · gainers outweigh losers 5.0 to 1
Stock
Points
Return
XLVsum of all 59 stocks
+20.5
100%
+13.24%
JNJJOHNSON + JOHNSON
+4.4
22%
+33.45%
MRKMERCK + CO. INC.
+3.4
16%
+50.83%
LLYELI LILLY + CO
+3.2
16%
+15.18%
UNHUNITEDHEALTH GROUP INC
+1.7
9%
+21.75%
AMGNAMGEN INC
+1.7
8%
+37.09%
ABBVABBVIE INC
+1.4
7%
+18.19%
MRNAMODERNA INC
+1.2
6%
+438.59%
BMYBRISTOL MYERS SQUIBB CO
+1.0
5%
+30.14%
GILDGILEAD SCIENCES INC
+0.8
4%
+22.70%
PFEPFIZER INC
+0.7
4%
+18.60%
TMOTHERMO FISHER SCIENTIFIC INC
+0.6
3%
+8.62%
VRTXVERTEX PHARMACEUTICALS INC
+0.5
3%
+21.95%
HUMHUMANA INC
+0.5
3%
+53.31%
CVSCVS HEALTH CORP
+0.5
2%
+18.97%
MCKMCKESSON CORP
+0.3
2%
+10.56%
29 othersclick to expand the full index
+4.3
21%
·
CORCENCORA INC
+0.0
0%
−2.48%
RMDRESMED INC
−0.0
0%
−1.25%
STESTERIS PLC
−0.0
0%
−6.29%
COOCOOPER COS INC/THE
−0.1
0%
−10.88%
SYKSTRYKER CORP
−0.1
0%
−5.40%
UHSUNIVERSAL HEALTH SERVICES B
−0.1
0%
−19.15%
GEHCGE HEALTHCARE TECHNOLOGY
−0.1
0%
−9.81%
MDTMEDTRONIC PLC
−0.1
−1%
−3.50%
DHRDANAHER CORP
−0.1
−1%
−5.28%
HCAHCA HEALTHCARE INC
−0.2
−1%
−7.86%
PODDINSULET CORP
−0.2
−1%
−49.67%
IDXXIDEXX LABORATORIES INC
−0.3
−1%
−18.70%
ZTSZOETIS INC
−0.5
−2%
−38.05%
ISRGINTUITIVE SURGICAL INC
−1.6
−8%
−34.35%
BSXBOSTON SCIENTIFIC CORP
−1.8
−9%
−47.71%
Cap weighting, illustrated

MERCK + CO. INC. and DAVITA INC moved almost identically (+50.83% vs +56.50%), yet MRK moved the XLV 54.9× 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 +20.50 pt move · cell size = points contributed · color = direction, intensity = return
JNJ+4.4 pts(+33.4%)
MRK+3.4 pts(+50.8%)
LLY+3.2 pts(+15.2%)
BSX−1.8 pts(−47.7%)
UNH+1.7 pts(+21.8%)
AMGN+1.7 pts(+37.1%)
ISRG−1.6 pts(−34.3%)
ABBV+1.4 pts
MRNA+1.2 pts(+438.6%)
BMY+1.0 pts
GILD+0.8 pts(+22.7%)
PFE+0.7 pts(+18.6%)
TMO+0.6 pts(+8.6%)
VRTX+0.5 pts(+21.9%)
HUM+0.5 pts(+53.3%)
ZTS−0.5 pts
CVS+0.5 pts
MCK+0.3 pts
BDX+0.3 pts
DXCM+0.3 pts
CNC
REGN+0.2 pts
CAH+0.2 pts
PODD
LH
HCA
BIIB
EW
MDT
VEEV

Concentration curve

cumulative share of the +20.50 pt move · sorted by contribution
0%50%100%15304459stocks:3 stocks = 54%100% covered at 12

When they drove it

cumulative points through the period
0JNJ +4.41MRK +3.37LLY +3.22BSX −1.85ISRG −1.61ZTS −0.51Dec 31Aug 25

Breadth

member returns, this period
−100%0%+100%+200%+300%+400%
From −49.67% (PODD) to +438.59% (MRNA). Equal-weight, the XLV would be +18.60% vs the actual +13.24%; the gap is what cap weighting did.

By sector

point contribution · sums to +20.50 pts
-59
+21.1

The year, session by session

every trading day of 2026 · hover for the move
JANFEBMARAPRMAYJUNJULAUG

Share this move

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