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WHAT MOVED THE MARKET TODAY

Technology · Select Sector

73 stocks · cap-weighted, ETF-derived weights · Aug 25, 2026 close
181.78
−80.64 (−30.73%)
XLK 181.78 · −80.6 pts (−30.73%) 1Y
481.85387.46293.08198.70104.32EW +66.17%H 304.13 · Oct 29L 127.50 · Mar 30
Aug 22, 2025Nov 20, 2025Feb 24, 2026May 26, 2026Aug 25, 2026
Breadth
26 / 73
stocks fell with the index
Concentration
6%
of the decline from ORCL, INTU, SNPS
Biggest driver
ORCL −3.29
ORACLE CORP, −37.94%
Biggest offset
AAPL +9.21
APPLE INC, +36.45%

What drove it

73 members · detractors first · 1Y · residual 5598.1bp exceeds 60bp gate

The XLK fell 30.73% (−80.64 pts) over the past year, but 47 of 73 members went the other way. ORCL and INTU dragged the tape lower, accounting for 6% of the decline.

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

+73.6 pts from 45 gainers8.6 pts from 28 losers
net −80.6 pts · gainers outweigh losers 8.6 to 1
Stock
Points
Return
XLKsum of all 73 stocks
−80.6
100%
−30.73%
ORCLORACLE CORP
−3.3
4%
−37.94%
INTUINTUIT INC
−1.1
1%
−45.68%
SNPSSYNOPSYS INC
−0.8
1%
−32.60%
ACNACCENTURE PLC CL A
−0.4
1%
−26.32%
ADBEADOBE INC
−0.4
0%
−24.35%
NOWSERVICENOW INC
−0.3
0%
−28.40%
ROPROPER TECHNOLOGIES INC
−0.3
0%
−22.52%
CDNSCADENCE DESIGN SYS INC
−0.2
0%
−5.07%
TYLTYLER TECHNOLOGIES INC
−0.2
0%
−37.62%
MSIMOTOROLA SOLUTIONS INC
−0.2
0%
+6.29%
PTCPTC INC
−0.2
0%
−29.72%
SMCISUPER MICRO COMPUTER INC
−0.2
0%
−12.35%
NXPINXP SEMICONDUCTORS NV
−0.1
0%
−2.60%
GDDYGODADDY INC CLASS A
−0.1
0%
−32.15%
CDWCDW CORP/DE
−0.1
0%
−13.29%
43 othersclick to expand the full index
+13.8
17%
·
PLTRPALANTIR TECHNOLOGIES INC A
+1.8
−2%
+8.81%
MRVLMARVELL TECHNOLOGY INC
+1.9
−2%
+229.91%
KLACKLA CORP
+2.0
−2%
+111.57%
WDCWESTERN DIGITAL CORP
+2.0
−2%
+487.18%
STXSEAGATE TECHNOLOGY HOLDINGS
+2.2
−3%
+420.33%
CSCOCISCO SYSTEMS INC
+2.4
−3%
+67.83%
SNDKSANDISK CORP
+2.9
−4%
+3,093.38%
AVGOBROADCOM INC
+2.9
−4%
+22.23%
INTCINTEL CORP
+3.7
−5%
+252.74%
LRCXLAM RESEARCH CORP
+4.0
−5%
+216.15%
AMATAPPLIED MATERIALS INC
+4.4
−6%
+196.78%
AMDADVANCED MICRO DEVICES
+5.4
−7%
+185.63%
NVDANVIDIA CORP
+7.1
−9%
+19.85%
MUMICRON TECHNOLOGY INC
+7.4
−9%
+693.97%
AAPLAPPLE INC
+9.2
−11%
+36.45%
Cap weighting, illustrated

NVIDIA CORP and F5 INC moved almost identically (+19.85% vs +20.65%), yet NVDA moved the XLK 342.4× 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 −80.64 pt move · cell size = points contributed · color = direction, intensity = return
AAPL+9.2 pts(+36.5%)
MU+7.4 pts(+694.0%)
NVDA+7.1 pts(+19.9%)
AMD+5.4 pts(+185.6%)
AMAT+4.4 pts(+196.8%)
LRCX+4.0 pts(+216.1%)
INTC+3.7 pts(+252.7%)
ORCL−3.3 pts(−37.9%)
AVGO+2.9 pts(+22.2%)
SNDK+2.9 pts(+3,093.4%)
CSCO+2.4 pts(+67.8%)
STX+2.2 pts(+420.3%)
WDC+2.0 pts
KLAC+2.0 pts
MRVL+1.9 pts(+229.9%)
PLTR+1.8 pts(+8.8%)
PANW+1.5 pts
CRWD+1.5 pts
MSFT+1.2 pts
INTU
DELL
APH
SNPS
ADI
LITE
GLW
TER
FTNT
COHR
IBM
CIEN
ACN

Concentration curve

cumulative share of the −80.64 pt move · sorted by contribution
0%50%100%18375573stocks:3 stocks = 6%100% covered at 73

When they drove it

cumulative points through the period
0ORCL −3.29INTU −1.12SNPS −0.82AAPL +9.21MU +7.39NVDA +7.07Aug 22Aug 25

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%
From −45.68% (INTU) to +3,093.38% (SNDK). Equal-weight, the XLK would be +66.17% vs the actual −30.73%; the gap is what cap weighting did.

By sector

point contribution · sums to −80.64 pts
-73
+65.0

The year, session by session

every trading day of 2026 · hover for the move
JANFEBMARAPRMAYJUNJULAUG

Share this move

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