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WHAT MOVED THE MARKET TODAY

ARK Innovation ETF

41 stocks · cap-weighted, ETF-derived weights · Oct 9, 2026 close
89.62
+11.38 (+14.54%)
ARKK 89.62 · +11.4 pts (+14.54%) 3M
96.7289.7682.7975.8368.87EW +17.11%H 92.78 · Oct 5L 70.58 · Jul 29
Jul 13Aug 4Aug 26Sep 17Oct 9
Breadth
26 / 41
stocks rose with the index
Concentration
35%
of the gain from TEM, TWST, TXG
Biggest driver
TEM +1.42
TEMPUS AI INC-CL A, +26.82%
Biggest drag
CBRS −0.81
CEREBRAS SYSTEMS INC - A, −19.77%

What drove it

41 members · drivers first · 3M · residual 221.3bp exceeds 60bp gate

The ARKK rose 14.54% (+11.38 pts) over the past three months on a mixed tape; TEM, TWST, TXG did most of the lifting, with 35% of the gain between them.

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

+13.6 pts from 28 gainers−2.7 pts from 13 losers
net +11.4 pts · gainers outweigh losers 5.1 to 1
Stock
Points
Return
ARKKsum of all 41 stocks
+11.4
100%
+14.54%
TEMTEMPUS AI INC-CL A
+1.4
12%
+26.82%
TWSTTWIST BIOSCIENCE CORP
+1.3
11%
+76.85%
TXG10X GENOMICS INC-CLASS A
+1.2
11%
+93.08%
CRCLCIRCLE INTERNET GROUP INC
+1.1
10%
+34.17%
PLTRPALANTIR TECHNOLOGIES INC-A
+1.1
9%
+60.76%
SPCXSPACE EXPLORATION TECHN-CL A
+1.0
9%
+16.84%
SHOPSHOPIFY INC - CLASS A
+1.0
9%
+36.96%
BMNRBITMINE IMMERSION TECHNOLOGI
+0.7
6%
+64.58%
BLSHBULLISH
+0.6
5%
+42.46%
COINCOINBASE GLOBAL INC -CLASS A
+0.5
4%
+13.99%
RXRXRECURSION PHARMACEUTICALS-A
+0.4
3%
+32.12%
CRSPCRISPR THERAPEUTICS AG
+0.3
3%
+5.45%
NTRANATERA INC
+0.3
3%
+46.84%
NETCLOUDFLARE INC - CLASS A
+0.3
3%
+33.94%
AMZNAMAZON.COM INC
+0.3
3%
+6.11%
11 othersclick to expand the full index
+1.9
17%
·
WGSGENEDX HOLDINGS CORP
+0.1
1%
+5.45%
LLYELI LILLY & CO
+0.0
0%
−0.12%
ARKYARK ACTIVE AUTOCALL INC ETF
−0.0
0%
+0.83%
NTLAINTELLIA THERAPEUTICS INC
−0.0
0%
+0.38%
SOFISOFI TECHNOLOGIES INC
−0.0
0%
−12.85%
AVGOBROADCOM INC
−0.1
−1%
−5.86%
XEX-ENERGY INC
−0.1
−1%
−11.15%
KTOSKRATOS DEFENSE & SECURITY
−0.1
−1%
−9.80%
CERSCERUS CORP
−0.1
−1%
−25.57%
TSLATESLA INC
−0.2
−2%
−3.06%
BWXTBWX TECHNOLOGIES INC
−0.2
−2%
−18.69%
CRWVCOREWEAVE INC-CL A
−0.3
−2%
−1.48%
BEAMBEAM THERAPEUTICS INC
−0.3
−3%
−17.10%
VCYTVERACYTE INC
−0.4
−3%
−21.31%
CBRSCEREBRAS SYSTEMS INC - A
−0.8
−7%
−19.77%
Cap weighting, illustrated

SPACE EXPLORATION TECHN-CL A and TERADYNE INC moved almost identically (+16.84% vs +16.89%), yet SPCX moved the ARKK 16.3× 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 +11.38 pt move · cell size = points contributed · color = direction, intensity = return
TEM+1.4 pts(+26.8%)
TWST+1.3 pts(+76.8%)
TXG+1.2 pts(+93.1%)
CRCL+1.1 pts(+34.2%)
PLTR+1.1 pts(+60.8%)
SPCX+1.0 pts(+16.8%)
SHOP+1.0 pts(+37.0%)
CBRS−0.8 pts(−19.8%)
BMNR+0.7 pts
BLSH+0.6 pts(+42.5%)
COIN+0.5 pts
RXRX+0.4 pts(+32.1%)
VCYT−0.4 pts(−21.3%)
CRSP+0.3 pts(+5.5%)
NTRA+0.3 pts
NET+0.3 pts
BEAM−0.3 pts
AMZN
NVDA+0.3 pts(+12.7%)
CRWV−0.3 pts(−1.5%)
META+0.3 pts
ILMN+0.3 pts
BWXT
AMD+0.2 pts
HOOD+0.2 pts
PACB
ACHR+0.2 pts
CERS
KTOS
XE
AVGO

Concentration curve

cumulative share of the +11.38 pt move · sorted by contribution
0%50%100%10213141stocks:3 stocks = 35%100% covered at 15

When they drove it

cumulative points through the period
0TEM +1.42TWST +1.29TXG +1.24CBRS −0.81VCYT −0.38BEAM −0.32Jul 13Oct 9

Breadth

member returns, this period
−50%−25%0%+25%+50%+75%
From −25.57% (CERS) to +93.08% (TXG). Equal-weight, the ARKK would be +17.11% vs the actual +14.54%; the gap is what cap weighting did.

By sector

point contribution · sums to +11.38 pts
Unknown41
+11.0

The year, session by session

every trading day of 2026 · hover for the move
JANFEBMARAPRMAYJUNJULAUGSEPOCT

Share this move

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