SMH · WMTMT

open09:5510:2010:5011:15

5-minute bars · index reconstructed live from member prices

Breadth

16 / 25

stocks fell with the index

Concentration

100%+

of the decline from NVDA, AVGO, INTC

Biggest driver

NVDA −1.14

class="svelte-mfd49r">1, −0.94%

Biggest offset

AMD +0.19

class="svelte-mfd49r">4, +0.63%

Context

33rd pctile

of the past year's sessions by daily move, so far

What drove it

25 members · detractors first · 1D · reconstructed from each member's latest trade price; official close pending

The SMH is down 0.31% (−1.73 pts) so far today, and more than all of that decline came from just three stocks: NVDA, AVGO, INTC.

Read the latest market-close note: Nvidia and Goldman Sachs Lead a Narrow Advance as Energy and Staples Slide

+0.8 pts from 9 gainers−2.5 pts from 16 losers

net −1.7 pts · losers outweigh gainers 3.2 to 1

Stock

Points

Return

SMHsum of all 25 stocks

−1.7

−0.31%

NVDAclass="svelte-mfd49r">1

−1.1

−0.94%

AVGOclass="svelte-mfd49r">3

−0.5

−1.28%

INTCclass="svelte-mfd49r">13

−0.2

−0.97%

KLACclass="svelte-mfd49r">11

−0.2

−0.91%

LRCXclass="svelte-mfd49r">12

−0.2

−0.78%

AMATclass="svelte-mfd49r">9

−0.1

−0.29%

TERclass="svelte-mfd49r">18

−0.0

−0.64%

ASMLclass="svelte-mfd49r">5

−0.0

−0.13%

TSMclass="svelte-mfd49r">2

−0.0

−0.07%

MRVLclass="svelte-mfd49r">14

−0.0

−0.14%

NXPIclass="svelte-mfd49r">19

−0.0

−0.31%

STMclass="svelte-mfd49r">20

−0.0

−0.32%

SNPSclass="svelte-mfd49r">16

−0.0

−0.17%

MPWRclass="svelte-mfd49r">17

−0.0

−0.12%

SWKSclass="svelte-mfd49r">25

−0.0

−0.59%

ARMclass="svelte-mfd49r">21

−0.0

−0.09%

ALABclass="svelte-mfd49r">23

+0.0

+0.50%

MCHPclass="svelte-mfd49r">22

+0.0

+0.51%

ONclass="svelte-mfd49r">24

+0.0

+0.89%

QCOMclass="svelte-mfd49r">10

+0.0

+0.18%

MUclass="svelte-mfd49r">7

+0.1

+0.27%

CDNSclass="svelte-mfd49r">15

+0.1

+0.56%

ADIclass="svelte-mfd49r">8

+0.1

+0.54%

TXNclass="svelte-mfd49r">6

+0.2

+0.65%

AMDclass="svelte-mfd49r">4

+0.2

+0.63%

Cap weighting, illustrated

class="svelte-mfd49r">8 and class="svelte-mfd49r">23 moved almost identically (+0.54% vs +0.50%), yet ADI moved the SMH 5.8× 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 −1.73 pt move · cell size = points contributed · color = direction, intensity = return

NVDA−1.1 pts(−0.9%)

AVGO−0.5 pts(−1.3%)

INTC−0.2 pts(−1.0%)

KLAC−0.2 pts(−0.9%)

AMD+0.2 pts(+0.6%)

TXN+0.2 pts(+0.6%)

LRCX−0.2 pts(−0.8%)

ADI+0.1 pts(+0.5%)

CDNS+0.1 pts(+0.6%)

AMAT−0.1 pts(−0.3%)

MU+0.1 pts(+0.3%)

TER−0.0 pts

QCOM

TSM

MCHP

MRVL

ALAB

NXPI

SNPS

Concentration curve

cumulative share of the −1.73 pt move · sorted by contribution

When they drove it

cumulative points through the period

Breadth

member returns, this period

−1.50%−1.00%−0.50%0%+0.50%

From −1.28% (AVGO) to +0.89% (ON). Equal-weight, the SMH would be −0.12% vs the actual −0.31%; the gap is what cap weighting did.

By sector

point contribution · sums to −1.73 pts

Unknown25

−1.7

The year, session by session

every trading day of 2026 · hover for the move

JANFEBMARAPRMAYJUNJULAUG

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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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