Why CrowdStrike and cybersecurity stocks got crunched in Thursday’s rout
Published . Updated .
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Highflying cybersecurity names take a beating from broader market concerns as well as ‘Black October’ infrastructure hacks and news about AI disruptors.
Directly affected
- CRWD CrowdStrike Holdings+1.5% 10d
Named in this report.
Indirectly affected
- CIBR First Trust NASDAQ Cybersecurity ETF+6.1% 30d
First Trust NASDAQ Cybersecurity ETF: it holds cybersecurity firms. Linked by “cybersecurity” (cybersecurity) in this story.
- QQQ Invesco QQQ-9.8% 30d
Invesco QQQ: it holds the big tech and AI names. Linked by “ai” (AI and big tech) in this story.
- PANW Palo Alto Networks-11.0% 30d
Palo Alto Networks (computer peripheral equipment): hacks and breaches raise demand for security software. Linked by “cybersecurity” (cybersecurity) in this story.
- FTNT Fortinet-27.6% 30d
Fortinet (computer peripheral equipment): hacks and breaches raise demand for security software. Linked by “cybersecurity” (cybersecurity) in this story.
- MSFT Microsoft+11.8% 30d
Microsoft (prepackaged software): big tech's AI spending and demand drive its shares. Linked by “ai” (AI and big tech) in this story.
- GOOGL Alphabet-15.6% 30d
Alphabet (computer programming, data processing, etc.): big tech's AI spending and demand drive its shares. Linked by “ai” (AI and big tech) in this story.
- AMZN Amazon.com+6.7% 30d
Amazon.com (catalog and mail-order houses): big tech's AI spending and demand drive its shares. Linked by “ai” (AI and big tech) in this story.
- META Meta Platforms-19.0% 30d
Meta Platforms (computer programming, data processing, etc.): big tech's AI spending and demand drive its shares. Linked by “ai” (AI and big tech) in this story.
Price reaction, T-5 to T+3
| Ticker | T-5 | T-3 | T-1 | T0 | T+1 | T+2 | T+3 |
|---|---|---|---|---|---|---|---|
| CRWD | +15.51% | +12.86% | base | after close | after close | after close | after close |
| CIBR | +10.96% | +6.84% | base | after close | after close | after close | after close |
| QQQ | +6.56% | +5.75% | base | after close | after close | after close | after close |
| PANW | +16.22% | +11.17% | base | after close | after close | after close | after close |
| FTNT | +11.05% | +4.59% | base | after close | after close | after close | after close |
| MSFT | -2.67% | -2.88% | base | after close | after close | after close | after close |
| GOOGL | -0.96% | -0.96% | base | after close | after close | after close | after close |
| AMZN | -7.79% | -3.81% | base | after close | after close | after close | after close |
| META | +1.33% | +2.32% | base | 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.
Highflying cybersecurity names take a beating from broader market concerns as well as ‘Black October’ infrastructure hacks and news about AI disruptors.
Source: MarketWatch
This story
| Company | When | Move | Status |
|---|---|---|---|
| AMZN | three days earlier | -3.81% | final price |
| AMZN | five days earlier | -7.79% | final price |
| CIBR | three days earlier | +6.84% | final price |
| CIBR | five days earlier | +10.96% | final price |
| CRWD | three days earlier | +12.86% | final price |
| CRWD | five days earlier | +15.51% | final price |
| FTNT | three days earlier | +4.59% | final price |
| FTNT | five days earlier | +11.05% | final price |
| GOOGL | three days earlier | -0.96% | final price |
| GOOGL | five days earlier | -0.96% | final price |
| META | three days earlier | +2.32% | final price |
| META | five days earlier | +1.33% | final price |
| MSFT | three days earlier | -2.88% | final price |
| MSFT | five days earlier | -2.67% | final price |
| PANW | three days earlier | +11.17% | final price |
| PANW | five days earlier | +16.22% | final price |
| QQQ | three days earlier | +5.75% | final price |
| QQQ | five days earlier | +6.56% | final price |
Trades by members of Congress and officials in the stocks in this story
- Donald J Trump, an executive branch official, sold CrowdStrike Holdings (CRWD), worth $100,001 - $250,000 on 21 Aug 2026. That is 76 days before publication. Filed 8 Oct 2026. View the filing.
- Rep. Gilbert Cisneros bought CrowdStrike Holdings (CRWD), worth $1,001 - $15,000 on 7 Aug 2026. That is 90 days before publication. Filed 10 Sep 2026. View the filing.
- Donald J Trump, an executive branch official, sold Palo Alto Networks (PANW), worth $15,001 - $50,000 on 28 Aug 2026. That is 69 days before publication. Filed 8 Oct 2026. View the filing.
- Donald J Trump, an executive branch official, sold Palo Alto Networks (PANW), worth $500,001 - $1,000,000 on 21 Aug 2026. That is 76 days before publication. Filed 8 Oct 2026. View the filing.
- Donald J Trump, an executive branch official, sold Fortinet (FTNT), worth $500,001 - $1,000,000 on 21 Aug 2026. That is 76 days before publication. Filed 8 Oct 2026. View the filing.
- Rep. Pete Sessions sold Microsoft (MSFT) (held by a spouse), worth $250,001 - $500,000 on 2 Oct 2026. That is 34 days before publication. Filed 27 Oct 2026. View the filing.
- Rep. Lisa McClain bought Microsoft (MSFT) (held by a spouse), worth $1,001 - $15,000 on 30 Sep 2026. That is 36 days before publication. Filed 12 Oct 2026. View the filing.
- Rep. Michael Rulli sold Microsoft (MSFT), worth $1,001 - $15,000 on 28 Sep 2026. That is 38 days before publication. Filed 2 Oct 2026. View the filing.
- Rep. Pete Sessions sold Alphabet (GOOGL), worth $15,001 - $50,000 on 14 Sep 2026. That is 52 days before publication. Filed 18 Sep 2026. View the filing.
- Rep. Rohit Khanna sold Alphabet (GOOGL) (held by a spouse), worth $1,001 - $15,000 on 4 Sep 2026. That is 62 days before publication. Filed 7 Oct 2026. View the filing.
- Rep. Thomas H. Kean Jr sold Alphabet (GOOGL), worth $1,001 - $15,000 on 27 Aug 2026. That is 70 days before publication. Filed 12 Sep 2026. View the filing.
- Rep. Pete Sessions sold Amazon Com (AMZN), worth $15,001 - $50,000 on 27 Oct 2026. That is 9 days before publication. Filed 27 Oct 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
“Why CrowdStrike and cybersecurity stocks got crunched in Thursday’s rout” scores 25 out of 100. The score uses 2 sources.