AMAZON.COM INC and DR HORTON INC moved almost identically (−0.67% vs −0.59%), yet AMZN moved the XLY 19.3× 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 −0.83 pt move · cell size = points contributed · color = direction, intensity = return
AMZN−0.2 pts(−0.7%)
TSLA−0.2 pts(−1.0%)
BKNG−0.1 pts(−2.0%)
TJX−0.1 pts(−1.5%)
ROST−0.1 pts(−2.7%)
SBUX+0.1 pts
LOW−0.0 pts(−1.3%)
DASH+0.0 pts(+1.4%)
MCD−0.0 pts
NKE−0.0 pts(−2.1%)
CVNA−0.0 pts(−2.0%)
HD−0.0 pts
EBAY
ABNB−0.0 pts(−1.0%)
AZO−0.0 pts
HLT+0.0 pts
CCL
YUM
ORLY−0.0 pts
BBY+0.0 pts
F
LVS
DHI
EXPE
RCL
TSCO
RL
Concentration curve
cumulative share of the −0.83 pt move · sorted by contribution
When they drove it
cumulative points through the period
Breadth
member returns, this period
−3%−2%−1%0%+1%+2%
From −2.68% (ROST) to +2.43% (BBY). Equal-weight, the XLY would be −0.60% vs the actual −0.70%; the gap is what cap weighting did.
By sector
point contribution · sums to −0.83 pts
-47
−0.8
The year, session by session
every trading day of 2026 · hover for the move
JANFEBMARAPRMAYJUNJULAUG
Share this move
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Consumer Discretionary · Select Sector
What moved the market
1D LIVE · AUG 26, 2026
−0.70%
−0.8 pts · now 117.11
11 of 47 rose · 36 fell
SBUX+1.5%
+0.1
DASH+1.4%
+0.0
HLT+0.8%
+0.0
BBY+2.4%
+0.0
DECK+0.7%
+0.0
ROST−2.7%
−0.1
TJX−1.5%
−0.1
BKNG−2.0%
−0.1
TSLA−1.0%
−0.2
AMZN−0.7%
−0.2
Broad selloff · AMZN led at −0.19 ptsWMTMT.COM
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