NEXTERA ENERGY INC and PINNACLE WEST CAPITAL moved almost identically (−2.31% vs −2.48%), yet NEE moved the XLU 13.4× 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 −0.72 pt move · cell size = points contributed · color = direction, intensity = return
NEE−0.1 pts(−2.3%)
CEG+0.1 pts(+4.3%)
SO−0.1 pts(−2.2%)
SRE−0.1 pts(−3.6%)
AEP−0.1 pts(−2.8%)
DUK−0.1 pts(−1.9%)
D−0.0 pts
WEC−0.0 pts(−4.0%)
XEL−0.0 pts(−2.5%)
PEG−0.0 pts
PCG+0.0 pts(+3.0%)
EXC−0.0 pts(−2.2%)
CNP−0.0 pts
DTE−0.0 pts(−2.9%)
ETR−0.0 pts(−1.7%)
AEE−0.0 pts
CMS−0.0 pts
NI−0.0 pts
VST−0.0 pts
NRG
PPL
EVRG−0.0 pts
ES−0.0 pts
LNT
EIX+0.0 pts
ED−0.0 pts
AWK
ATO
PNW
Concentration curve
cumulative share of the −0.72 pt move · sorted by contribution
When they drove it
cumulative points through the period
Breadth
member returns, this period
−4%−2%0%+2%+4%
From −3.95% (WEC) to +4.34% (CEG). Equal-weight, the XLU would be −1.65% vs the actual −1.64%; the gap is what cap weighting did.
By sector
point contribution · sums to −0.72 pts
-31
−0.7
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
1W · AUG 25, 2026
−1.64%
−0.7 pts · closed 43.30
4 of 31 rose · 27 fell
CEG+4.3%
+0.1
PCG+3.0%
+0.0
EIX+1.5%
+0.0
AWK+1.0%
+0.0
DUK−1.9%
−0.1
AEP−2.8%
−0.1
SRE−3.6%
−0.1
SO−2.2%
−0.1
NEE−2.3%
−0.1
Broad selloff · NEE led at −0.13 ptsWMTMT.COM
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