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WHAT MOVED THE MARKET TODAY

Health Care · Select Sector

59 stocks · cap-weighted, ETF-derived weights · Aug 25, 2026 close
175.30
+17.43 (+11.04%)
XLV 175.30 · +17.4 pts (+11.04%) 6M
184.38173.26162.15151.04139.92EW +15.06%H 175.68 · Aug 19L 142.84 · Apr 29
Feb 24Apr 10May 26Jul 13Aug 25
Breadth
43 / 59
stocks rose with the index
Concentration
52%
of the gain from LLY, UNH, MRK
Biggest driver
LLY +3.92
ELI LILLY + CO, +18.58%
Biggest drag
BSX −1.04
BOSTON SCIENTIFIC CORP, −33.66%

What drove it

59 members · drivers first · 6M · residual 57.6bp within 60bp gate

The XLV rose 11.04% (+17.43 pts) over the past six months in a broad advance: 43 of 59 stocks rose, with LLY out front at +3.92 points.

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

+22.5 pts from 42 gainers4.5 pts from 17 losers
net +17.4 pts · gainers outweigh losers 5.0 to 1
Stock
Points
Return
XLVsum of all 59 stocks
+17.4
100%
+11.04%
LLYELI LILLY + CO
+3.9
22%
+18.58%
UNHUNITEDHEALTH GROUP INC
+3.2
19%
+46.71%
MRKMERCK + CO. INC.
+2.0
11%
+28.11%
JNJJOHNSON + JOHNSON
+1.8
10%
+11.55%
ABBVABBVIE INC
+1.4
8%
+17.27%
TMOTHERMO FISHER SCIENTIFIC INC
+1.3
7%
+22.08%
MRNAMODERNA INC
+1.0
6%
+214.39%
AMGNAMGEN INC
+0.8
5%
+16.40%
HUMHUMANA INC
+0.8
5%
+124.84%
CVSCVS HEALTH CORP
+0.7
4%
+26.26%
BMYBRISTOL MYERS SQUIBB CO
+0.5
3%
+12.63%
IQVIQVIA HOLDINGS INC
+0.5
3%
+57.41%
ELVELEVANCE HEALTH INC
+0.4
2%
+23.18%
VEEVVEEVA SYSTEMS INC CLASS A
+0.4
2%
+40.42%
VRTXVERTEX PHARMACEUTICALS INC
+0.4
2%
+13.42%
29 othersclick to expand the full index
+3.5
20%
·
ALGNALIGN TECHNOLOGY INC
−0.0
0%
−13.97%
COOCOOPER COS INC/THE
−0.1
0%
−12.59%
RMDRESMED INC
−0.1
0%
−5.71%
UHSUNIVERSAL HEALTH SERVICES B
−0.1
−1%
−23.36%
GEHCGE HEALTHCARE TECHNOLOGY
−0.1
−1%
−12.02%
MCKMCKESSON CORP
−0.1
−1%
−5.27%
CORCENCORA INC
−0.1
−1%
−9.75%
MDTMEDTRONIC PLC
−0.2
−1%
−4.19%
PODDINSULET CORP
−0.2
−1%
−41.67%
IDXXIDEXX LABORATORIES INC
−0.2
−1%
−15.28%
SYKSTRYKER CORP
−0.4
−2%
−12.81%
HCAHCA HEALTHCARE INC
−0.5
−3%
−18.30%
ZTSZOETIS INC
−0.6
−3%
−39.68%
ISRGINTUITIVE SURGICAL INC
−0.9
−5%
−24.73%
BSXBOSTON SCIENTIFIC CORP
−1.0
−6%
−33.66%
Cap weighting, illustrated

ELI LILLY + CO and DAVITA INC moved almost identically (+18.58% vs +17.82%), yet LLY moved the XLV 130.1× 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 +17.43 pt move · cell size = points contributed · color = direction, intensity = return
LLY+3.9 pts(+18.6%)
UNH+3.2 pts(+46.7%)
MRK+2.0 pts(+28.1%)
JNJ+1.8 pts(+11.5%)
ABBV+1.4 pts(+17.3%)
TMO+1.3 pts(+22.1%)
BSX−1.0 pts(−33.7%)
MRNA+1.0 pts(+214.4%)
ISRG−0.9 pts(−24.7%)
AMGN+0.8 pts(+16.4%)
HUM+0.8 pts(+124.8%)
CVS+0.7 pts
ZTS−0.6 pts
BMY+0.5 pts
HCA−0.5 pts
IQV+0.5 pts
ELV
SYK−0.4 pts
VEEV+0.4 pts
PFE
CNC
DXCM
REGN
WAT
A
WST
EW
CRL
IDXX
DHR
MCK
BIIB

Concentration curve

cumulative share of the +17.43 pt move · sorted by contribution
0%50%100%15304459stocks:3 stocks = 52%100% covered at 12

When they drove it

cumulative points through the period
0LLY +3.92UNH +3.23MRK +1.99BSX −1.04ISRG −0.87ZTS −0.56Feb 24Aug 25

Breadth

member returns, this period
−50%0%+50%+100%+150%+200%
From −41.67% (PODD) to +214.39% (MRNA). Equal-weight, the XLV would be +15.06% vs the actual +11.04%; the gap is what cap weighting did.

By sector

point contribution · sums to +17.43 pts
-59
+18.0

The year, session by session

every trading day of 2026 · hover for the move
JANFEBMARAPRMAYJUNJULAUG

Share this move

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