XLK · WMTMT

Sep 30Oct 2Oct 6Oct 7Oct 9

Breadth

57 / 75

stocks rose with the index

Concentration

66%

of the gain from MSFT, PLTR, CSCO

Biggest driver

MSFT +0.95

MICROSOFT CORP, +4.32%

Biggest drag

INTC −0.89

INTEL CORP, −12.92%

What drove it

75 members · drivers first · QTD · residual 2.6bp within 60bp gate

The XLK rose 1.55% (+3.03 pts) so far this quarter, and 66% of that gain came from just three stocks: MSFT, PLTR, CSCO.

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

+5.6 pts from 55 gainers−2.5 pts from 20 losers

net +3.0 pts · gainers outweigh losers 2.2 to 1

Stock

Points

Return

XLKsum of all 75 stocks

+3.0

+1.55%

MSFTMICROSOFT CORP

+1.0

+4.32%

PLTRPALANTIR TECHNOLOGIES INC A

+0.6

+11.76%

CSCOCISCO SYSTEMS INC

+0.5

+10.41%

AAPLAPPLE INC

+0.3

+1.09%

AVGOBROADCOM INC

+0.3

+2.95%

PANWPALO ALTO NETWORKS INC

+0.2

+5.40%

DELLDELL TECHNOLOGIES C

+0.2

+8.97%

ACNACCENTURE PLC CL A

+0.2

+13.91%

ANETARISTA NETWORKS INC

+0.2

+6.47%

SNPSSYNOPSYS INC

+0.2

+17.26%

CIENCIENA CORP

+0.2

+27.82%

HPEHEWLETT PACKARD ENTERPRISE

+0.1

+14.92%

LITELUMENTUM HOLDINGS INC

+0.1

+13.60%

FTNTFORTINET INC

+0.1

+8.94%

MRVLMARVELL TECHNOLOGY INC

+0.1

+4.19%

45 othersclick to expand the full index

+1.4

CRMSALESFORCE INC

−0.0

−0.19%

HPQHP INC

−0.0

−3.45%

TERTERADYNE INC

−0.0

−0.55%

MCHPMICROCHIP TECHNOLOGY INC

−0.0

−2.85%

SWKSSKYWORKS SOLUTIONS INC

−0.0

−10.68%

NXPINXP SEMICONDUCTORS NV

−0.0

−4.21%

AMATAPPLIED MATERIALS INC

−0.1

−0.85%

AMDADVANCED MICRO DEVICES

−0.1

−0.60%

QCOMQUALCOMM INC

−0.1

−4.64%

LRCXLAM RESEARCH CORP

−0.2

−2.94%

WDCWESTERN DIGITAL CORP

−0.2

−12.58%

MUMICRON TECHNOLOGY INC

−0.2

−3.39%

SNDKSANDISK CORP

−0.3

−9.09%

STXSEAGATE TECHNOLOGY HOLDINGS

−0.4

−15.11%

INTCINTEL CORP

−0.9

−12.92%

Cap weighting, illustrated

MICROSOFT CORP and ZEBRA TECHNOLOGIES CORP CL A moved almost identically (+4.32% vs +3.72%), yet MSFT moved the XLK 95.4× 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 +3.03 pt move · cell size = points contributed · color = direction, intensity = return

MSFT+1.0 pts(+4.3%)

INTC−0.9 pts(−12.9%)

PLTR+0.6 pts(+11.8%)

CSCO+0.5 pts(+10.4%)

STX−0.4 pts

AAPL+0.3 pts(+1.1%)

AVGO+0.3 pts(+2.9%)

SNDK−0.3 pts

MU−0.2 pts(−3.4%)

WDC−0.2 pts(−12.6%)

PANW+0.2 pts

DELL+0.2 pts(+9.0%)

ACN+0.2 pts(+13.9%)

LRCX−0.2 pts(−2.9%)

ANET+0.2 pts

SNPS+0.2 pts

CIEN+0.2 pts

HPE+0.1 pts

LITE+0.1 pts

QCOM−0.1 pts

FTNT

MRVL

NVDA

INTU

NOW+0.1 pts

APH+0.1 pts

AMD

AMAT

DDOG

CDNS

ADSK

NTAP

COHR

Concentration curve

cumulative share of the +3.03 pt move · sorted by contribution

When they drove it

cumulative points through the period

Breadth

member returns, this period

−20%−10%0%+10%+20%+30%

From −15.11% (STX) to +38.60% (PTC). Equal-weight, the XLK would be +4.29% vs the actual +1.55%; the gap is what cap weighting did.

By sector

point contribution · sums to +3.03 pts

-75

+3.0

The year, session by session

every trading day of 2026 · hover for the move

JANFEBMARAPRMAYJUNJULAUGSEPOCT

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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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