IonQ Falls 8% as Quantum Computing Stocks Slide; Rigetti Drops 6%, D-Wave Declines 4%
Published . Updated .
Covered by 2 outlets: Yahoo Finance, 24/7 Wall St..
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IonQ posted record revenue and raised its guidance, yet its shares are sliding harder than any rival in the quantum group. Why the biggest name falls fastest, and what a hidden foundry tie to D-Wave means for the trade, may surprise you.
Directly affected
Indirectly affected
- SMH VanEck Semiconductor ETF-16.2% 30d
VanEck Semiconductor ETF: it holds chipmakers. Linked by “foundry” (semiconductors) in this story.
- SOXX iShares Semiconductor ETF-20.7% 30d
iShares Semiconductor ETF: it holds chipmakers. Linked by “foundry” (semiconductors) in this story.
- ASML ASML Holding N.V-13.3% 10d
ASML Holding N.V (special industry machinery): chip demand, export rules and supply drive chipmakers' shares. Linked by “foundry” (semiconductors) in this story.
- NVDA Nvidia-26.1% 30d
Nvidia (semiconductors and related devices): chip demand, export rules and supply drive chipmakers' shares. Linked by “foundry” (semiconductors) in this story.
- TSM Taiwan Semiconductor Manufacturing-10.2% 30d
Taiwan Semiconductor Manufacturing (semiconductors and related devices): chip demand, export rules and supply drive chipmakers' shares. Linked by “foundry” (semiconductors) in this story.
- AVGO Broadcom+2.6% 30d
Broadcom (semiconductors and related devices): chip demand, export rules and supply drive chipmakers' shares. Linked by “foundry” (semiconductors) in this story.
Price reaction, T-5 to T+3
| Ticker | T-5 | T-3 | T-1 | T0 | T+1 | T+2 | T+3 |
|---|---|---|---|---|---|---|---|
| IONQPrices arriving within minutes | — | — | — | after close | after close | after close | after close |
| QUBTPrices arriving within minutes | — | — | — | after close | after close | after close | after close |
| SMHPrices arriving within minutes | — | — | — | after close | after close | after close | after close |
| SOXXPrices arriving within minutes | — | — | — | after close | after close | after close | after close |
| ASMLPrices arriving within minutes | — | — | — | after close | after close | after close | after close |
| NVDAPrices arriving within minutes | — | — | — | after close | after close | after close | after close |
| TSMPrices arriving within minutes | — | — | — | after close | after close | after close | after close |
| AVGOPrices arriving within minutes | — | — | — | after close | after close | after close | after close |
Closing-price change versus T-1, the last close before the story. T0 to T+3 fill in after each market close. Prices: Alpaca IEX.
IonQ Falls 8% as Quantum Computing Stocks Slide; Rigetti Drops 6%, D-Wave Declines 4% Yahoo Finance
Source: Yahoo Finance
Congressional trades in the stocks in this story
- Rep. Kevin Hern sold Asml Holding (ASML) (jointly held), worth $15,001 - $50,000 on 23 Oct 2026. That is 21 days before publication. Filed 28 Oct 2026. View the filing.
- Rep. Maria Elvira Salazar bought Nvidia (NVDA), worth $1,001 - $15,000 on 23 Oct 2026. That is 21 days before publication. Filed 5 Nov 2026. View the filing.
- Rep. Gilbert Cisneros sold Nvidia (NVDA), worth $1,001 - $15,000 on 20 Oct 2026. That is 24 days before publication. Filed 10 Nov 2026. View the filing.
- Rep. Rohit Khanna sold Nvidia (NVDA) (held by a spouse), worth $1,001 - $15,000 on 7 Oct 2026. That is 37 days before publication. Filed 5 Nov 2026. View the filing.
- Rep. Cleo Fields bought Taiwan Semiconductor Manufacturing (TSM), worth $1,001 - $15,000 on 9 Oct 2026. That is 35 days before publication. Filed 22 Oct 2026. View the filing.
- Rep. Gilbert Cisneros bought Taiwan Semiconductor Manufacturing (TSM), worth $1,001 - $15,000 on 22 Sep 2026. That is 52 days before publication. Filed 12 Oct 2026. View the filing.
- Rep. Michael T. McCaul sold Taiwan Semiconductor Manufacturing (TSM) (held by a spouse), worth $1,001 - $15,000 on 25 Aug 2026. That is 80 days before publication. Filed 14 Oct 2026. View the filing.
- Rep. Rohit Khanna bought Broadcom (AVGO) (held by a spouse), worth $1,001 - $15,000 on 13 Oct 2026. That is 31 days before publication. Filed 5 Nov 2026. View the filing.
- Rep. Rohit Khanna sold Broadcom (AVGO) (held by a spouse), worth $1,001 - $15,000 on 25 Sep 2026. That is 49 days before publication. Filed 7 Oct 2026. View the filing.
- Rep. John J McGuire III sold Broadcom (AVGO) (held by a spouse), worth $1,001 - $15,000 on 24 Sep 2026. That is 50 days before publication. Filed 1 Nov 2026. View the filing.
Public disclosure filings, not a recommendation. The filing link is the source document. News use of these reports still sits under 5 U.S.C. § 13107(c).
This story
25 out of 100
“IonQ Falls 8% as Quantum Computing Stocks Slide; Rigetti Drops 6%, D-Wave Declines 4%” scores 25 out of 100. The score uses 2 sources.