30-minute bars · index reconstructed live from member prices
Breadth
14 / 24
stocks rose with the index
Concentration
57%
of the gain from NUE, STLD, ECL
Biggest driver
NUE +0.13
NUCOR CORP, +4.13%
Biggest drag
MOS −0.06
MOSAIC CO/THE, −11.06%
What drove it
24 members · drivers first · 1W · residual 37.2bp within 60bp gate
The XLB rose 1.15% (+0.56 pts) on the week, but 10 of 24 members went the other way. NUE and STLD carried the tape higher, accounting for 57% of the gain.
LINDE PLC and PACKAGING CORP OF AMERICA moved almost identically (+0.89% vs +0.89%), yet LIN moved the XLB 3.7× 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 +0.56 pt move · cell size = points contributed · color = direction, intensity = return
NUE+0.1 pts(+4.1%)
STLD+0.1 pts(+2.8%)
ECL+0.1 pts(+3.0%)
NEM+0.1 pts(+2.0%)
FCX+0.1 pts(+2.3%)
LIN+0.1 pts(+0.9%)
MOS−0.1 pts(−11.1%)
SW−0.1 pts
BALL+0.1 pts(+3.7%)
IFF+0.1 pts(+2.6%)
LYB+0.0 pts(+3.0%)
DOW+0.0 pts(+1.7%)
CF−0.0 pts
APD+0.0 pts(+1.3%)
ALB−0.0 pts(−3.2%)
VMC+0.0 pts
PPG−0.0 pts
PKG
MLM
AVY
IP
Concentration curve
cumulative share of the +0.56 pt move · sorted by contribution
When they drove it
cumulative points through the period
Breadth
member returns, this period
−12%−8%−4%0%+4%
From −11.06% (MOS) to +4.13% (NUE). Equal-weight, the XLB would be +0.20% vs the actual +1.15%; the gap is what cap weighting did.
By sector
point contribution · sums to +0.56 pts
-24
+0.6
The year, session by session
every trading day of 2026 · hover for the move
JANFEBMARAPRMAYJUNJULAUGSEPOCT
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Materials · Select Sector
What moved the market
1W · OCT 9, 2026
+1.15%
+0.6 pts · closed 49.42
14 of 24 rose · 10 fell
NUE+4.1%
+0.1
STLD+2.8%
+0.1
ECL+3.0%
+0.1
NEM+2.0%
+0.1
FCX+2.3%
+0.1
PPG−1.1%
−0.0
ALB−3.2%
−0.0
CF−3.0%
−0.0
SW−2.9%
−0.1
MOS−11.1%
−0.1
NUE carried a split tape · 10 of 24 went the other wayWMTMT.COM
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