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WHAT MOVED THE MARKET TODAY
DAILY NOTES

Utilities · Select Sector

31 stocks · cap-weighted, ETF-derived weights · Oct 9, 2026 close
41.40
+0.33 (+0.79%)
XLU 41.40 · +0.3 pts (+0.79%) 1D
1D1W1MQTD3M6MYTD1Y2Y3Y5Y
41.4841.3741.2641.15prev close 41.07EW +0.77%H 41.46 · 15:30L 41.06 · 09:30
open11:0512:4514:2016:00
5-minute bars · index reconstructed live from member prices
Breadth
25 / 31
stocks rose with the index
Concentration
66%
of the gain from CEG, VST, PCG
Biggest driver
CEG +0.13
CONSTELLATION ENERGY, +4.56%
Biggest drag
DUK −0.00
DUKE ENERGY CORP, −0.15%
Context
83rd pctile
of the past year's sessions by daily move

What drove it

31 members · drivers first · 1D · residual 0.1bp within 60bp gate

The XLU rose 0.79% (+0.33 pts) on the day, and 66% of that gain came from just three stocks: CEG, VST, PCG.

Read the latest market-close note: Goldman and Microsoft Push the Dow to a Large Gain While Telecoms Sink Communication Services

+0.3 pts from 25 gainers−0.0 pts from 4 losers
net +0.3 pts · gainers outweigh losers 3.3 to 1
Stock
Points
Return
XLUsum of all 31 stocks
+0.3
100%
+0.79%
CEGCONSTELLATION ENERGY
+0.1
41%
+4.56%
VSTVISTRA CORP
+0.1
16%
+3.38%
PCGP G + E CORP
+0.0
10%
+3.59%
SRESEMPRA
+0.0
8%
+1.59%
EIXEDISON INTERNATIONAL
+0.0
4%
+1.84%
NRGNRG ENERGY INC
+0.0
3%
+1.56%
AEPAMERICAN ELECTRIC POWER
+0.0
3%
+0.40%
XELXCEL ENERGY INC
+0.0
3%
+0.57%
PEGPUBLIC SERVICE ENTERPRISE GP
+0.0
2%
+0.60%
ATOATMOS ENERGY CORP
+0.0
2%
+0.62%
ETRENTERGY CORP
+0.0
1%
+0.30%
AWKAMERICAN WATER WORKS CO INC
+0.0
1%
+0.52%
CNPCENTERPOINT ENERGY INC
+0.0
1%
+0.46%
NINISOURCE INC
+0.0
1%
+0.59%
PNWPINNACLE WEST CAPITAL
+0.0
1%
+0.94%
PPLPPL CORP
+0.0
1%
+0.43%
EVRGEVERGY INC
+0.0
1%
+0.55%
AEEAMEREN CORPORATION
+0.0
1%
+0.34%
LNTALLIANT ENERGY CORP
+0.0
1%
+0.53%
FEFIRSTENERGY CORP
+0.0
1%
+0.36%
WECWEC ENERGY GROUP INC
+0.0
1%
+0.15%
CMSCMS ENERGY CORP
+0.0
0%
+0.22%
EDCONSOLIDATED EDISON INC
+0.0
0%
+0.11%
EXCEXELON CORP
+0.0
0%
+0.07%
ESEVERSOURCE ENERGY
+0.0
0%
+0.06%
NEENEXTERA ENERGY INC
+0.0
0%
+0.00%
SOSOUTHERN CO/THE
+0.0
0%
+0.00%
AESAES CORP
−0.0
0%
−0.03%
DTEDTE ENERGY COMPANY
−0.0
0%
−0.18%
DDOMINION ENERGY INC
−0.0
−1%
−0.19%
DUKDUKE ENERGY CORP
−0.0
−1%
−0.15%
Cap weighting, illustrated

AMERICAN ELECTRIC POWER and AMEREN CORPORATION moved almost identically (+0.40% vs +0.34%), yet AEP moved the XLU 0.9× 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 +0.33 pt move · cell size = points contributed · color = direction, intensity = return
CEG+0.1 pts(+4.6%)
VST+0.1 pts(+3.4%)
PCG+0.0 pts(+3.6%)
SRE+0.0 pts(+1.6%)
EIX+0.0 pts
NRG+0.0 pts(+1.6%)
AEP+0.0 pts(+0.4%)
XEL+0.0 pts(+0.6%)
PEG+0.0 pts
ATO
DUK−0.0 pts
AWK+0.0 pts
CNP+0.0 pts
NI+0.0 pts
PPL+0.0 pts
D−0.0 pts
EVRG
AEE
LNT
FE+0.0 pts
ED

Concentration curve

cumulative share of the +0.33 pt move · sorted by contribution
0%50%100%8162331stocks:3 stocks = 66%100% covered at 19

When they drove it

cumulative points through the period
0CEG +0.13VST +0.05PCG +0.03DUK −0.00D −0.00DTE −0.00Oct 8Oct 9

Breadth

member returns, this period
−1%0%+1%+2%+3%+4%
From −0.19% (D) to +4.56% (CEG). Equal-weight, the XLU would be +0.77% vs the actual +0.79%; the gap is what cap weighting did.

By sector

point contribution · sums to +0.33 pts
-31
+0.3

The year, session by session

every trading day of 2026 · hover for the move
JANFEBMARAPRMAYJUNJULAUGSEPOCT

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