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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
+47.21 (+31.15%)
XLK 198.78 · +47.2 pts (+31.15%) 5Y
561.04442.74324.45206.1687.87EW +250.98%H 301.96 · Oct 28L 116.92 · Oct 11
Oct 1, 2021Jan 4, 2023Apr 9, 2024Jul 9, 2025Oct 9, 2026
Breadth
61 / 75
stocks rose with the index
Concentration
100%+
of the gain from AAPL, NVDA, AVGO
Biggest driver
AAPL +33.30
APPLE INC, +141.72%
Biggest drag
ADBE −3.87
ADOBE INC, −58.05%

What drove it

75 members · drivers first · 5Y · residual 11258.0bp exceeds 60bp gate

The XLK rose 31.15% (+47.21 pts) over five years, and more than all of that gain came from just three stocks: AAPL, NVDA, AVGO.

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

+206.5 pts from 59 gainers−8.3 pts from 16 losers
net +47.2 pts · gainers outweigh losers 24.8 to 1
Stock
Points
Return
XLKsum of all 75 stocks
+47.2
100%
+31.15%
AAPLAPPLE INC
+33.3
71%
+141.72%
NVDANVIDIA CORP
+33.1
70%
+1,008.97%
AVGOBROADCOM INC
+17.0
36%
+708.97%
MSFTMICROSOFT CORP
+11.6
25%
+92.50%
MUMICRON TECHNOLOGY INC
+10.6
23%
+1,384.39%
AMDADVANCED MICRO DEVICES
+10.1
21%
+493.56%
PLTRPALANTIR TECHNOLOGIES INC A
+7.6
16%
+759.23%
INTCINTEL CORP
+5.4
11%
+111.14%
LRCXLAM RESEARCH CORP
+5.4
11%
+487.82%
IBMINTL BUSINESS MACHINES CORP
+5.3
11%
+99.56%
APHAMPHENOL CORP CL A
+5.1
11%
+144.68%
AMATAPPLIED MATERIALS INC
+5.0
11%
+308.86%
CSCOCISCO SYSTEMS INC
+4.5
10%
+146.11%
PANWPALO ALTO NETWORKS INC
+4.3
9%
+416.47%
ANETARISTA NETWORKS INC
+3.9
8%
+889.59%
45 othersclick to expand the full index
+44.1
93%
·
TRMBTRIMBLE INC
−0.0
0%
−28.58%
ROPROPER TECHNOLOGIES INC
−0.0
0%
−16.23%
GENGEN DIGITAL INC
−0.1
0%
+0.42%
ITGARTNER INC
−0.1
0%
−36.18%
TYLTYLER TECHNOLOGIES INC
−0.1
0%
−29.05%
NOWSERVICENOW INC
−0.1
0%
+11.29%
ZBRAZEBRA TECHNOLOGIES CORP CL A
−0.2
0%
−24.23%
SWKSSKYWORKS SOLUTIONS INC
−0.2
0%
−46.42%
SMCISUPER MICRO COMPUTER INC
−0.2
0%
+1,020.62%
ADSKAUTODESK INC
−0.2
0%
−17.15%
ACNACCENTURE PLC CL A
−0.3
−1%
−30.07%
WDAYWORKDAY INC CLASS A
−0.4
−1%
−26.70%
INTUINTUIT INC
−1.2
−2%
−42.51%
CRMSALESFORCE INC
−1.4
−3%
−15.29%
ADBEADOBE INC
−3.9
−8%
−58.05%
Cap weighting, illustrated

NVIDIA CORP and SUPER MICRO COMPUTER INC moved almost identically (+1,008.97% vs +1,020.62%), yet NVDA moved the XLK 168.7× 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 +47.21 pt move · cell size = points contributed · color = direction, intensity = return
AAPL+33.3 pts(+141.7%)
NVDA+33.1 pts(+1,009.0%)
AVGO+17.0 pts(+709.0%)
MSFT+11.6 pts(+92.5%)
MU+10.6 pts(+1,384.4%)
AMD+10.1 pts(+493.6%)
PLTR+7.6 pts(+759.2%)
INTC+5.4 pts(+111.1%)
LRCX+5.4 pts
IBM+5.3 pts
APH+5.1 pts
AMAT+5.0 pts
CSCO+4.5 pts
PANW+4.3 pts
ANET+3.9 pts(+889.6%)
ADBE−3.9 pts(−58.0%)
KLAC+3.3 pts
SNDK+3.3 pts
CRWD+3.1 pts
ADI+2.7 pts
TXN
MRVL
WDC
DELL+2.1 pts
QCOM+1.9 pts
ORCL
GLW
CRM
LITE
FTNT
FSLR
CDNS
FLEX

Concentration curve

cumulative share of the +47.21 pt move · sorted by contribution
0%50%100%19385675stocks:3 stocks = 177%100% covered at 2

When they drove it

cumulative points through the period
0AAPL +33.30NVDA +33.11AVGO +17.03ADBE −3.87CRM −1.36INTU −1.17Oct 1Oct 9

Breadth

member returns, this period
−100%+100%+300%+500%+700%+900%+1,100%+1,300%+1,500%+1,700%+1,900%+2,100%+2,300%+2,500%+2,700%+2,900%+3,100%
From −58.05% (ADBE) to +3,154.77% (SNDK). Equal-weight, the XLK would be +250.98% vs the actual +31.15%; the gap is what cap weighting did.

By sector

point contribution · sums to +47.21 pts
-75
+198.2

The year, session by session

every trading day of 2026 · hover for the move
JANFEBMARAPRMAYJUNJULAUGSEPOCT

Share this move

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