SMH · WMTMT

open11:0512:4514:2016:00

5-minute bars · index reconstructed live from member prices

Breadth

16 / 24

stocks fell with the index

Concentration

54%

of the decline from AMD, NVDA, INTC

Biggest driver

AMD −0.79

class="svelte-77tdkt">3, −2.03%

Biggest offset

SNPS +0.32

class="svelte-77tdkt">17, +2.46%

Context

30th pctile

of the past year's sessions by daily move

What drove it

24 members · detractors first · 1D · residual 5.5bp within 60bp gate

The SMH fell 0.65% (−3.94 pts) on the day on a mixed tape; AMD, NVDA, INTC did most of the damage, with 54% of the decline between them.

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

+1.0 pts from 8 gainers−4.9 pts from 16 losers

net −3.9 pts · losers outweigh gainers 5.1 to 1

Stock

Points

Return

SMHsum of all 24 stocks

−3.9

−0.65%

AMDclass="svelte-77tdkt">3

−0.8

−2.03%

NVDAclass="svelte-77tdkt">1

−0.7

−0.52%

INTCclass="svelte-77tdkt">10

−0.7

−2.22%

TSMclass="svelte-77tdkt">2

−0.6

−1.03%

TXNclass="svelte-77tdkt">8

−0.5

−1.55%

ARMclass="svelte-77tdkt">21

−0.3

−3.27%

SKHYclass="svelte-77tdkt">13

−0.2

−0.86%

MUclass="svelte-77tdkt">5

−0.2

−0.66%

KLACclass="svelte-77tdkt">9

−0.2

−0.58%

LRCXclass="svelte-77tdkt">12

−0.2

−0.55%

AMATclass="svelte-77tdkt">7

−0.2

−0.50%

ALABclass="svelte-77tdkt">20

−0.1

−1.39%

NXPIclass="svelte-77tdkt">22

−0.1

−1.54%

ONclass="svelte-77tdkt">25

−0.1

−2.37%

STMclass="svelte-77tdkt">23

−0.1

−1.23%

QCOMclass="svelte-77tdkt">15

−0.1

−0.29%

MCHPclass="svelte-77tdkt">24

+0.0

+0.04%

ADIclass="svelte-77tdkt">14

+0.0

+0.06%

MRVLclass="svelte-77tdkt">6

+0.1

+0.23%

MPWRclass="svelte-77tdkt">19

+0.1

+1.20%

AVGOclass="svelte-77tdkt">4

+0.1

+0.39%

CDNSclass="svelte-77tdkt">16

+0.2

+1.15%

ASMLclass="svelte-77tdkt">11

+0.2

+0.60%

SNPSclass="svelte-77tdkt">17

+0.3

+2.46%

Cap weighting, illustrated

class="svelte-77tdkt">3 and class="svelte-77tdkt">25 moved almost identically (−2.03% vs −2.37%), yet AMD moved the SMH 9.8× 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 −3.94 pt move · cell size = points contributed · color = direction, intensity = return

AMD−0.8 pts(−2.0%)

NVDA−0.7 pts(−0.5%)

INTC−0.7 pts(−2.2%)

TSM−0.6 pts(−1.0%)

TXN−0.5 pts(−1.5%)

SNPS+0.3 pts(+2.5%)

ARM−0.3 pts

SKHY−0.2 pts(−0.9%)

MU−0.2 pts(−0.7%)

KLAC−0.2 pts

ASML+0.2 pts

LRCX−0.2 pts(−0.5%)

AMAT−0.2 pts(−0.5%)

CDNS+0.2 pts(+1.1%)

AVGO+0.1 pts(+0.4%)

ALAB−0.1 pts(−1.4%)

NXPI−0.1 pts

MPWR+0.1 pts

STM−0.1 pts

MRVL

QCOM

Concentration curve

cumulative share of the −3.94 pt move · sorted by contribution

When they drove it

cumulative points through the period

Breadth

member returns, this period

−4%−2%0%+2%

From −3.27% (ARM) to +2.46% (SNPS). Equal-weight, the SMH would be −0.60% vs the actual −0.65%; the gap is what cap weighting did.

By sector

point contribution · sums to −3.94 pts

Unknown24

−3.9

The year, session by session

every trading day of 2026 · hover for the move

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What drove it

Attribution map

Concentration curve

When they drove it

Breadth

By sector

The year, session by session

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