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WHAT MOVED THE MARKET TODAY

Technology · Select Sector

75 stocks · cap-weighted, ETF-derived weights · Oct 9, 2026 close
198.78
+54.81 (+38.07%)
XLK 198.78 · +54.8 pts (+38.07%) YTD
232.63204.63176.63148.62120.62EW +55.47%H 202.00 · Oct 6L 127.50 · Mar 30
Dec 31Mar 13May 21Aug 3Oct 9
Breadth
55 / 75
stocks rose with the index
Concentration
35%
of the gain from AMD, MU, INTC
Biggest driver
AMD +7.66
ADVANCED MICRO DEVICES, +183.95%
Biggest drag
INTU −1.33
INTUIT INC, −54.06%

What drove it

75 members · drivers first · YTD · residual 138.6bp exceeds 60bp gate

The XLK rose 38.07% (+54.81 pts) so far this year in a broad advance: 55 of 75 stocks rose, with AMD out front at +7.66 points.

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

+62.2 pts from 55 gainers−7.3 pts from 20 losers
net +54.8 pts · gainers outweigh losers 8.5 to 1
Stock
Points
Return
XLKsum of all 75 stocks
+54.8
100%
+38.07%
AMDADVANCED MICRO DEVICES
+7.7
14%
+183.95%
MUMICRON TECHNOLOGY INC
+6.9
13%
+260.70%
INTCINTEL CORP
+4.5
8%
+183.74%
NVDANVIDIA CORP
+4.3
8%
+23.09%
AAPLAPPLE INC
+4.1
7%
+24.06%
SNDKSANDISK CORP
+2.8
5%
+566.37%
AMATAPPLIED MATERIALS INC
+2.7
5%
+97.79%
PANWPALO ALTO NETWORKS INC
+2.2
4%
+127.35%
CSCOCISCO SYSTEMS INC
+2.1
4%
+55.34%
LRCXLAM RESEARCH CORP
+2.1
4%
+86.61%
MRVLMARVELL TECHNOLOGY INC
+2.0
4%
+224.32%
STXSEAGATE TECHNOLOGY HOLDINGS
+1.9
3%
+185.05%
CRWDCROWDSTRIKE HOLDINGS INC A
+1.8
3%
+134.70%
DELLDELL TECHNOLOGIES C
+1.6
3%
+369.29%
ANETARISTA NETWORKS INC
+1.4
3%
+65.44%
45 othersclick to expand the full index
+13.9
25%
·
FSLRFIRST SOLAR INC
−0.1
0%
−31.93%
TELTE CONNECTIVITY PLC
−0.1
0%
−3.38%
ROPROPER TECHNOLOGIES INC
−0.1
0%
−17.83%
WDAYWORKDAY INC CLASS A
−0.1
0%
−13.13%
CTSHCOGNIZANT TECH SOLUTIONS A
−0.2
0%
−27.86%
ADSKAUTODESK INC
−0.2
0%
−20.49%
FICOFAIR ISAAC CORP
−0.3
0%
−60.50%
NOWSERVICENOW INC
−0.4
−1%
−8.06%
APHAMPHENOL CORP CL A
−0.4
−1%
−35.26%
ACNACCENTURE PLC CL A
−0.5
−1%
−21.01%
CRMSALESFORCE INC
−0.7
−1%
−13.05%
ADBEADOBE INC
−0.8
−1%
−30.78%
IBMINTL BUSINESS MACHINES CORP
−0.8
−1%
−22.31%
ORCLORACLE CORP
−1.2
−2%
−26.52%
INTUINTUIT INC
−1.3
−2%
−54.06%
Cap weighting, illustrated

NVIDIA CORP and VERISIGN INC moved almost identically (+23.09% vs +25.82%), yet NVDA moved the XLK 204.2× 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 +54.81 pt move · cell size = points contributed · color = direction, intensity = return
AMD+7.7 pts(+183.9%)
MU+6.9 pts(+260.7%)
INTC+4.5 pts(+183.7%)
NVDA+4.3 pts(+23.1%)
AAPL+4.1 pts(+24.1%)
SNDK+2.8 pts(+566.4%)
AMAT+2.7 pts(+97.8%)
PANW+2.2 pts
CSCO+2.1 pts(+55.3%)
LRCX+2.1 pts(+86.6%)
MRVL+2.0 pts
STX+1.9 pts(+185.0%)
CRWD+1.8 pts(+134.7%)
DELL+1.6 pts
ANET
INTU−1.3 pts(−54.1%)
TXN+1.3 pts(+65.5%)
WDC+1.3 pts
ORCL−1.2 pts
PLTR+1.0 pts
KLAC+1.0 pts
MSFT+0.8 pts
ADI+0.8 pts
ADBE
HPE
FTNT
CRM
AVGO
LITE
QCOM
TER
GLW
ACN
KEYS
NOW
DDOG
FLEX

Concentration curve

cumulative share of the +54.81 pt move · sorted by contribution
0%50%100%19385675stocks:3 stocks = 35%100% covered at 22

When they drove it

cumulative points through the period
0AMD +7.66MU +6.89INTC +4.47INTU −1.33ORCL −1.15IBM −0.76Dec 31Oct 9

Breadth

member returns, this period
−100%+100%+300%+500%
From −60.50% (FICO) to +566.37% (SNDK). Equal-weight, the XLK would be +55.47% vs the actual +38.07%; the gap is what cap weighting did.

By sector

point contribution · sums to +54.81 pts
-75
+54.9

The year, session by session

every trading day of 2026 · hover for the move
JANFEBMARAPRMAYJUNJULAUGSEPOCT

Share this move

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