24 members · drivers first · 1Y · residual 591.4bp exceeds 60bp gate
The XLC rose 1.67% (+1.86 pts) over the past year, but 12 of 24 members went the other way. GOOGL and GOOG carried the tape higher, contributing more than the entire move.
OMNICOM GROUP and FOX CORP CLASS B moved almost identically (+15.17% vs +16.37%), yet OMC moved the XLC 7.4× 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 +1.86 pt move · cell size = points contributed · color = direction, intensity = return
GOOGL+5.6 pts(+68.8%)
META−5.4 pts(−24.2%)
GOOG+4.5 pts(+66.6%)
WBD+4.0 pts(+139.8%)
CHTR−3.5 pts(−44.1%)
TTD−2.5 pts(−75.1%)
TMUS−2.5 pts(−26.6%)
OMC+2.3 pts(+15.2%)
NFLX−2.2 pts(−31.7%)
VZ+0.9 pts
CMCSA−0.8 pts
TKO+0.8 pts
LYV+0.7 pts
T−0.7 pts
ECHO−0.7 pts
PSKY−0.6 pts
FOXA+0.5 pts
APP+0.4 pts
FOX
TTWO
Concentration curve
cumulative share of the +1.86 pt move · sorted by contribution
When they drove it
cumulative points through the period
Breadth
member returns, this period
−100%−50%0%+50%+100%
From −75.09% (TTD) to +139.83% (WBD). Equal-weight, the XLC would be −0.84% vs the actual +1.67%; the gap is what cap weighting did.
By sector
point contribution · sums to +1.86 pts
-24
+1.1
The year, session by session
every trading day of 2026 · hover for the move
JANFEBMARAPRMAYJUNJULAUG
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Communication Services · Select Sector
What moved the market
1Y · AUG 25, 2026
+1.67%
+1.9 pts · closed 113.17
12 of 24 rose · 12 fell
GOOGL+68.8%
+5.6
GOOG+66.6%
+4.5
WBD+139.8%
+4.0
OMC+15.2%
+2.3
VZ+18.8%
+0.9
NFLX−31.7%
−2.2
TMUS−26.6%
−2.5
TTD−75.1%
−2.5
CHTR−44.1%
−3.5
META−24.2%
−5.4
GOOGL carried a split tape · 12 of 24 went the other wayWMTMT.COM
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