NEXTERA ENERGY INC and EVERGY INC moved almost identically (−3.20% vs −3.21%), yet NEE moved the XLU 7.8× 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 −2.03 pt move · cell size = points contributed · color = direction, intensity = return
CEG−0.3 pts(−7.7%)
VST−0.3 pts(−15.4%)
NRG−0.2 pts(−19.1%)
PCG+0.1 pts(+12.1%)
NEE−0.1 pts(−3.2%)
AEP−0.1 pts(−6.2%)
SRE−0.1 pts(−7.2%)
NI−0.1 pts
AWK+0.1 pts(+11.1%)
PEG−0.1 pts(−7.7%)
ETR−0.1 pts
CNP−0.1 pts(−9.3%)
EIX+0.1 pts(+5.0%)
SO−0.1 pts(−3.6%)
WEC−0.1 pts
ATO−0.1 pts
LNT−0.0 pts
DTE−0.0 pts
CMS−0.0 pts
DUK−0.0 pts
XEL
D+0.0 pts
EXC−0.0 pts
AEE−0.0 pts
PNW−0.0 pts
EVRG
FE
Concentration curve
cumulative share of the −2.03 pt move · sorted by contribution
When they drove it
cumulative points through the period
Breadth
member returns, this period
−20%−10%0%+10%
From −19.10% (NRG) to +12.15% (PCG). Equal-weight, the XLU would be −3.73% vs the actual −4.48%; the gap is what cap weighting did.
By sector
point contribution · sums to −2.03 pts
-31
−1.7
The year, session by session
every trading day of 2026 · hover for the move
JANFEBMARAPRMAYJUNJULAUG
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Utilities · Select Sector
What moved the market
3M · AUG 25, 2026
−4.48%
−2.0 pts · closed 43.30
6 of 31 rose · 25 fell
PCG+12.1%
+0.1
AWK+11.1%
+0.1
EIX+5.0%
+0.1
D+0.5%
+0.0
FE−0.1%
+0.0
AEP−6.2%
−0.1
NEE−3.2%
−0.1
NRG−19.1%
−0.2
VST−15.4%
−0.3
CEG−7.7%
−0.3
Broad selloff · CEG led at −0.32 ptsWMTMT.COM
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