S&P 500 · WMTMT

Sep 30Oct 2Oct 6Oct 7Oct 9

Breadth

362 / 503

stocks rose with the index

Concentration

27%

of the gain from MSFT, AMZN, TSLA

Biggest driver

MSFT +19

MICROSOFT CORP, +4.32%

Biggest drag

INTC −9

INTEL CORP, −12.92%

What drove it

503 members · drivers first · QTD · residual 2.3bp within 60bp gate

The S&P 500 rose 2.09% (+160 pts) so far this quarter on a mixed tape; MSFT, AMZN, TSLA did most of the lifting, with 27% of the gain between them.

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

+210.4 pts from 363 gainers−50.4 pts from 140 losers

net +160.0 pts · gainers outweigh losers 4.2 to 1

Stock

Points

Return

S&P 500sum of all 503 stocks

+160.0

+2.09%

MSFTMICROSOFT CORP

+19.5

+4.32%

AMZNAMAZON.COM INC

+15.3

+5.33%

TSLATESLA INC

+9.1

+7.86%

AAPLAPPLE INC

+5.9

+1.09%

PLTRPALANTIR TECHNOLOGIES INC A

+5.8

+11.76%

AVGOBROADCOM INC

+5.7

+2.95%

GOOGLALPHABET INC CL A

+5.3

+2.20%

VVISA INC CLASS A SHARES

+5.2

+7.27%

CSCOCISCO SYSTEMS INC

+5.1

+10.41%

GOOGALPHABET INC CL C

+4.1

+2.09%

WMTWALMART INC

+3.9

+7.15%

BRK-BBERKSHIRE HATHAWAY INC CL B

+3.8

+3.51%

MAMASTERCARD INC A

+3.6

+6.85%

ABBVABBVIE INC

+3.1

+5.68%

XOMEXXONMOBIL HOLDINGS CORP

+3.0

+3.85%

473 othersclick to expand the full index

+98.7

TMOTHERMO FISHER SCIENTIFIC INC

−0.7

−2.53%

JNJJOHNSON + JOHNSON

−0.8

−1.25%

AMDADVANCED MICRO DEVICES

−1.0

−0.60%

TMUST MOBILE US INC

−1.0

−8.89%

QCOMQUALCOMM INC

−1.1

−4.64%

LRCXLAM RESEARCH CORP

−1.5

−2.94%

DEDEERE + CO

−1.6

−7.54%

METAMETA PLATFORMS INC CLASS A

−1.8

−0.90%

TAT+T INC

−2.2

−9.14%

WDCWESTERN DIGITAL CORP

−2.4

−12.58%

VZVERIZON COMMUNICATIONS INC

−2.4

−9.20%

SNDKSANDISK CORP

−2.8

−9.09%

STXSEAGATE TECHNOLOGY HOLDINGS

−3.6

−15.11%

MUMICRON TECHNOLOGY INC

−4.9

−3.39%

INTCINTEL CORP

−9.4

−12.92%

Cap weighting, illustrated

APPLE INC and CAMDEN PROPERTY TRUST moved almost identically (+1.09% vs +0.93%), yet AAPL moved the S&P 500 519.4× 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 +160 pt move · cell size = points contributed · color = direction, intensity = return

383 more+23.8 pts

MSFT+19.5 pts(+4.3%)

AMZN+15.3 pts(+5.3%)

INTC−9.4 pts

TSLA+9.1 pts(+7.9%)

AAPL+5.9 pts

PLTR+5.8 pts

AVGO+5.7 pts

GOOGL+5.3 pts

V+5.2 pts

CSCO

MU−4.9 pts(−3.4%)

GOOG+4.1 pts(+2.1%)

WMT+3.9 pts(+7.1%)

BRK-B+3.8 pts(+3.5%)

STX−3.6 pts

MA+3.6 pts

ABBV+3.1 pts

SNDK

WDC

T−2.2 pts

LLY+2.1 pts

PANW

NVDA

COST

META−1.8 pts

DELL

GEV

CEG

SNPS

ANET

VLO

CIEN

LRCX

CRWD

JPM

MCK

FTNT

MRVL

PSX

TMUS

AMD

AMT

APH

TJX

Concentration curve

cumulative share of the +160 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 S&P 500 would be +2.45% vs the actual +2.09%; the gap is what cap weighting did.

By sector

point contribution · sums to +160 pts

-503

+160.0

The year, session by session

every trading day of 2026 · hover for the move

JANFEBMARAPRMAYJUNJULAUGSEPOCT

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