75 members · detractors first · 1Y · residual 4982.5bp exceeds 60bp gate
The XLK fell 31.62% (−91.91 pts) over the past year, but 51 of 75 members went the other way. ORCL and MSFT dragged the tape lower, accounting for 8% of the decline.
APPLE INC and QNITY ELECTRONICS INC moved almost identically (+30.82% vs +30.85%), yet AAPL moved the XLK 527.0× 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 −91.91 pt move · cell size = points contributed · color = direction, intensity = return
MU+7.8 pts(+424.0%)
AMD+6.4 pts(+158.2%)
AAPL+5.3 pts(+30.8%)
INTC+4.9 pts(+179.7%)
AMAT+3.8 pts
ORCL−3.5 pts(−50.3%)
SNDK+3.1 pts(+1,099.4%)
MSFT−2.8 pts(+2.6%)
LRCX+2.7 pts
CSCO+2.7 pts(+70.1%)
STX+2.1 pts(+250.8%)
NVDA+2.0 pts
MRVL+1.8 pts
AVGO+1.8 pts
CRWD+1.7 pts
PANW+1.7 pts
WDC+1.7 pts
INTU−1.5 pts(−53.7%)
ADI+1.4 pts(+72.3%)
KLAC+1.3 pts(+84.8%)
DELL+1.3 pts
TXN+1.2 pts
PLTR
LITE
ANET
HPE
TER
FTNT
NOW
ADBE
KEYS
QCOM
CIEN
COHR
GLW
FLEX
Concentration curve
cumulative share of the −91.91 pt move · sorted by contribution
When they drove it
cumulative points through the period
Breadth
member returns, this period
−100%+100%+300%+500%+700%+900%
From −60.60% (FICO) to +1,099.44% (SNDK). Equal-weight, the XLK would be +57.94% vs the actual −31.62%; the gap is what cap weighting did.
By sector
point contribution · sums to −91.91 pts
-75
+52.8
The year, session by session
every trading day of 2026 · hover for the move
JANFEBMARAPRMAYJUNJULAUGSEPOCT
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Technology · Select Sector
What moved the market
1Y · OCT 9, 2026
−31.62%
−91.9 pts · closed 198.78
51 of 75 rose · 24 fell
MU+424.0%
+7.8
AMD+158.2%
+6.4
AAPL+30.8%
+5.3
INTC+179.7%
+4.9
AMAT+134.2%
+3.8
ADBE−30.5%
−0.7
NOW−23.0%
−0.7
INTU−53.7%
−1.5
MSFT+2.6%
−2.8
ORCL−50.3%
−3.5
ORCL sank a split tape · 51 of 75 went the other wayWMTMT.COM
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