BERKSHIRE HATHAWAY INC CL B and GLOBE LIFE INC moved almost identically (+74.39% vs +86.49%), yet BRK-B moved the XLF 229.2× 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 +20.09 pt move · cell size = points contributed · color = direction, intensity = return
JPM+4.0 pts(+156.4%)
BRK-B+2.3 pts(+74.4%)
MA+1.8 pts(+69.6%)
V+1.8 pts(+69.8%)
PYPL−1.5 pts(−76.8%)
GS+1.4 pts(+195.1%)
BAC+1.4 pts(+72.9%)
MS+1.1 pts(+145.4%)
XYZ−0.9 pts(−68.3%)
WFC+0.9 pts(+95.6%)
C+0.9 pts(+119.5%)
AXP+0.8 pts(+116.8%)
BNY+0.6 pts
SCHW+0.6 pts
BX+0.4 pts
HOOD+0.4 pts
KKR
PGR
APO
BLK
IBKR
FIS−0.3 pts
FISV−0.3 pts
COF
STT
ICE
TRV
PNC
CME
AJG
SPGI
NTRS
RJF
NDAQ
MET
Concentration curve
cumulative share of the +20.09 pt move · sorted by contribution
When they drove it
cumulative points through the period
Breadth
member returns, this period
−100%+100%+300%+500%
From −76.83% (PYPL) to +553.85% (IBKR). Equal-weight, the XLF would be +87.15% vs the actual +52.58%; the gap is what cap weighting did.
By sector
point contribution · sums to +20.09 pts
-76
+20.8
The year, session by session
every trading day of 2026 · hover for the move
JANFEBMARAPRMAYJUNJULAUG
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Financials · Select Sector
What moved the market
5Y · AUG 25, 2026
+52.58%
+20.1 pts · closed 58.30
67 of 76 rose · 9 fell
JPM+156.4%
+4.0
BRK-B+74.4%
+2.3
MA+69.6%
+1.8
V+69.8%
+1.8
GS+195.1%
+1.4
SPGI+7.0%
−0.2
FISV−53.6%
−0.3
FIS−65.8%
−0.3
XYZ−68.3%
−0.9
PYPL−76.8%
−1.5
Broad advance · JPM led at +3.96 ptsWMTMT.COM
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