+167.2 pts from 355 gainers−78.3 pts from 148 losers
net +88.8 pts · gainers outweigh losers 2.1 to 1
Stock
Points
Share
Return
S&P 500sum of all 503 stocks
+88.8
100%
+1.15%
MSFTMICROSOFT CORP
+15.6
18%
+3.39%
AMZNAMAZON.COM INC
+12.7
14%
+4.34%
GOOGLALPHABET INC CL A
+5.7
6%
+2.38%
PLTRPALANTIR TECHNOLOGIES INC A
+5.4
6%
+10.75%
VVISA INC CLASS A SHARES
+5.0
6%
+6.87%
AAPLAPPLE INC
+4.7
5%
+0.88%
GOOGALPHABET INC CL C
+4.3
5%
+2.21%
TSLATESLA INC
+4.1
5%
+3.27%
WMTWALMART INC
+3.7
4%
+6.80%
MAMASTERCARD INC A
+3.5
4%
+6.69%
AVGOBROADCOM INC
+3.5
4%
+1.80%
LLYELI LILLY + CO
+3.4
4%
+3.14%
CSCOCISCO SYSTEMS INC
+2.9
3%
+5.52%
BRK-BBERKSHIRE HATHAWAY INC CL B
+2.8
3%
+2.55%
ABBVABBVIE INC
+2.8
3%
+5.19%
473 othersclick to expand the full index
+68.8
77%
·
QCOMQUALCOMM INC
−1.2
−1%
−5.07%
STXSEAGATE TECHNOLOGY HOLDINGS
−1.7
−2%
−7.77%
KLACKLA CORP
−1.7
−2%
−5.47%
TAT+T INC
−2.1
−2%
−8.77%
DEDEERE + CO
−2.1
−2%
−9.62%
CATCATERPILLAR INC
−2.4
−3%
−5.32%
SNDKSANDISK CORP
−2.4
−3%
−8.03%
VZVERIZON COMMUNICATIONS INC
−2.5
−3%
−9.30%
METAMETA PLATFORMS INC CLASS A
−2.5
−3%
−1.29%
AMATAPPLIED MATERIALS INC
−3.1
−4%
−6.11%
LRCXLAM RESEARCH CORP
−4.3
−5%
−8.24%
AMDADVANCED MICRO DEVICES
−5.3
−6%
−4.07%
MUMICRON TECHNOLOGY INC
−6.2
−7%
−4.27%
INTCINTEL CORP
−8.8
−10%
−12.26%
NVDANVIDIA CORP
−13.8
−15%
−2.00%
Cap weighting, illustrated
NVIDIA CORP and BXP INC moved almost identically (−2.00% vs −1.87%), yet NVDA moved the S&P 500 649.6× 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 +89 pt move · cell size = points contributed · color = direction, intensity = return
383 more+18.1 pts
MSFT+15.6 pts(+3.4%)
NVDA−13.8 pts(−2.0%)
AMZN+12.7 pts(+4.3%)
INTC−8.8 pts(−12.3%)
MU−6.2 pts(−4.3%)
GOOGL+5.7 pts(+2.4%)
PLTR+5.4 pts(+10.8%)
AMD−5.3 pts(−4.1%)
V+5.0 pts
AAPL+4.7 pts
GOOG+4.3 pts
LRCX−4.3 pts
TSLA+4.1 pts(+3.3%)
WMT+3.7 pts(+6.8%)
MA+3.5 pts
AVGO+3.5 pts
LLY+3.4 pts
AMAT
CSCO+2.9 pts
BRK-B+2.8 pts
ABBV
PM
META
VZ
SNDK
XOM
CAT
DE
T
KLAC
PG
STX
JNJ
NFLX
MRNA
COST
ISRG
CVX
DIS
QCOM
ANET
KO
TMUS
MPC
FTNT
GILD
UNH
NOW
CME
ACN
Concentration curve
cumulative share of the +89 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 −12.26% (INTC) to +35.01% (PTC). Equal-weight, the S&P 500 would be +1.63% vs the actual +1.15%; the gap is what cap weighting did.
By sector
point contribution · sums to +89 pts
-503
+88.8
The year, session by session
every trading day of 2026 · hover for the move
JANFEBMARAPRMAYJUNJULAUGSEPOCT
Share this move
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S&P 500
What moved the market
1W · OCT 9, 2026
+1.15%
+88.8 pts · closed 7,811.54
355 of 503 rose · 148 fell
MSFT+3.4%
+15.6
AMZN+4.3%
+12.7
GOOGL+2.4%
+5.7
PLTR+10.8%
+5.4
V+6.9%
+5.0
LRCX−8.2%
−4.3
AMD−4.1%
−5.3
MU−4.3%
−6.2
INTC−12.3%
−8.8
NVDA−2.0%
−13.8
Mixed tape · top 3 drove 38% of the gainWMTMT.COM
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