S&P 500 — daily market movers
Macro backdrop
Indices ended modestly lower. The S&P 500 fell 0.48%, the Nasdaq 0.56% and the Dow 0.29%. The session was dominated by an 'AI safety' debate — fresh warnings and calls to slow AI development triggered an 'AI doomsday trade' that pummeled chipmakers and AI-hardware names while software and cybersecurity drew a defensive bid. A rise in the 10-year Treasury yield to its highest since 2023, together with a jump in oil, added further pressure on risk appetite.
Top 10 gainers
| # | Ticker | Company / business | Change | Likely Driver |
|---|---|---|---|---|
| 1 | CRWD | CrowdStrike Cloud-native cybersecurity; endpoint protection and threat detection via its Falcon platform | +13.85% | Led a cybersecurity rally as AI safety warnings sparked a 'security bid'; the stock jumped roughly 14% on the day. |
| 2 | PANW | Palo Alto Networks Enterprise network and cloud cybersecurity; firewalls and integrated security platforms | +13.09% | Part of the same cybersecurity surge on the AI-risk debate, with the group seen as a beneficiary of heightened security spending. |
| 3 | IT | Gartner IT research, advisory and benchmarking services for enterprises | +9.73% | Rotation into asset-light software and research names as investors reassessed its valuation amid the flight from AI hardware. |
| 4 | COIN | Coinbase Cryptocurrency trading exchange and digital-asset custody platform | +9.24% | Rose on an analyst upgrade (Compass Point) and renewed hopes for favorable U.S. crypto regulation. |
| 5 | FTNT | Fortinet Network security, firewalls and cybersecurity appliances and software | +9.04% | Swept up in the broad cybersecurity rally tied to the AI safety debate. |
| 6 | ADSK | Autodesk Design and engineering software for architecture, construction, manufacturing and media | +7.78% | Benefited from the rotation into software, which 'sidestepped' the AI-hardware selloff; no standalone company catalyst on the day. |
| 7 | NOW | ServiceNow Enterprise workflow automation and IT service management software | +7.41% | Led application-software gains as the 'AI slowdown' narrative flipped money into enterprise software seen as more insulated. |
| 8 | CTSH | Cognizant IT services, consulting and business-process outsourcing | +6.83% | Rose with the software and IT-services rotation; no standalone catalyst identified. |
| 9 | TYL | Tyler Technologies Software and services for U.S. state and local governments | +6.79% | Carried higher by the broad application-software rotation; no company-specific news on the day. |
| 10 | FDS | FactSet Research Systems Financial data, analytics and software for investment professionals | +6.63% | Part of the rotation into financial-data and software names away from AI hardware; no standalone catalyst identified. |
- 1. CRWD+13.85%CrowdStrikeCloud-native cybersecurity; endpoint protection and threat detection via its Falcon platformLed a cybersecurity rally as AI safety warnings sparked a 'security bid'; the stock jumped roughly 14% on the day.
- 2. PANW+13.09%Palo Alto NetworksEnterprise network and cloud cybersecurity; firewalls and integrated security platformsPart of the same cybersecurity surge on the AI-risk debate, with the group seen as a beneficiary of heightened security spending.
- 3. IT+9.73%GartnerIT research, advisory and benchmarking services for enterprisesRotation into asset-light software and research names as investors reassessed its valuation amid the flight from AI hardware.
- 4. COIN+9.24%CoinbaseCryptocurrency trading exchange and digital-asset custody platformRose on an analyst upgrade (Compass Point) and renewed hopes for favorable U.S. crypto regulation.
- 5. FTNT+9.04%FortinetNetwork security, firewalls and cybersecurity appliances and softwareSwept up in the broad cybersecurity rally tied to the AI safety debate.
- 6. ADSK+7.78%AutodeskDesign and engineering software for architecture, construction, manufacturing and mediaBenefited from the rotation into software, which 'sidestepped' the AI-hardware selloff; no standalone company catalyst on the day.
- 7. NOW+7.41%ServiceNowEnterprise workflow automation and IT service management softwareLed application-software gains as the 'AI slowdown' narrative flipped money into enterprise software seen as more insulated.
- 8. CTSH+6.83%CognizantIT services, consulting and business-process outsourcingRose with the software and IT-services rotation; no standalone catalyst identified.
- 9. TYL+6.79%Tyler TechnologiesSoftware and services for U.S. state and local governmentsCarried higher by the broad application-software rotation; no company-specific news on the day.
- 10. FDS+6.63%FactSet Research SystemsFinancial data, analytics and software for investment professionalsPart of the rotation into financial-data and software names away from AI hardware; no standalone catalyst identified.
Common Themes
The gainers were overwhelmingly software, cybersecurity and asset-light services. Two forces drove them: a direct 'security bid' on cybersecurity names (CRWD, PANW, FTNT) as the AI-safety debate raised the perceived need for security spending, and a broader rotation as the 'AI slowdown' narrative pushed money out of AI hardware into software seen as more insulated (NOW, ADSK, TYL, IT, CTSH, FDS). COIN was the outlier, driven by its own analyst upgrade and crypto-regulation optimism rather than the AI theme.
Top 10 losers
| # | Ticker | Company / business | Change | Likely Driver |
|---|---|---|---|---|
| 1 | GLW | Corning Specialty glass, optical fiber and ceramics for displays, telecom and life sciences | -13.70% | Tumbled on a surprise $2 billion at-the-market equity offering that sparked dilution concerns and dragged the optics complex lower. |
| 2 | TER | Teradyne Automated test equipment for semiconductors and industrial robotics | -13.30% | Hit hard in the AI-chip and semiconductor-equipment selloff triggered by the AI-slowdown warnings. |
| 3 | COHR | Coherent Lasers, optics and photonics for data-center, communications and industrial markets | -12.73% | Sank with the optics group as Corning's offering and cooling AI-hardware demand hit data-center photonics names. |
| 4 | HPE | Hewlett Packard Enterprise Servers, storage, networking and hybrid-cloud infrastructure for enterprises | -10.76% | Sold off as AI-server and data-center hardware names were dumped in the 'AI doomsday trade'. |
| 5 | SWKS | Skyworks Solutions Analog and RF semiconductors for smartphones and wireless connectivity | -10.29% | Fell in the broad semiconductor selloff sparked by calls to slow AI development. |
| 6 | LITE | Lumentum Optical components, lasers and photonics for data centers and networking | -9.92% | Dropped with the data-center optics complex amid the Corning-led offering and AI-hardware cooling. |
| 7 | GEV | GE Vernova Power-generation equipment, electrification and grid, and wind energy | -8.62% | Sank after GLJ Research initiated coverage at Sell with a $470 target, challenging its AI-power-boom valuation. |
| 8 | CIEN | Ciena Optical networking systems and software for telecom and data centers | -8.55% | Caught in the selloff of optical-networking and data-center hardware tied to the AI-hardware pullback. |
| 9 | SMCI | Super Micro Computer High-performance servers and storage systems for AI and data centers | -8.38% | Dumped as a high-beta AI-server play during the AI-hardware selloff. |
| 10 | LRCX | Lam Research Wafer-fabrication equipment for semiconductor manufacturing | -8.29% | Fell with chip-equipment peers in the semiconductor selloff driven by AI-slowdown fears. |
- 1. GLW-13.70%CorningSpecialty glass, optical fiber and ceramics for displays, telecom and life sciencesTumbled on a surprise $2 billion at-the-market equity offering that sparked dilution concerns and dragged the optics complex lower.
- 2. TER-13.30%TeradyneAutomated test equipment for semiconductors and industrial roboticsHit hard in the AI-chip and semiconductor-equipment selloff triggered by the AI-slowdown warnings.
- 3. COHR-12.73%CoherentLasers, optics and photonics for data-center, communications and industrial marketsSank with the optics group as Corning's offering and cooling AI-hardware demand hit data-center photonics names.
- 4. HPE-10.76%Hewlett Packard EnterpriseServers, storage, networking and hybrid-cloud infrastructure for enterprisesSold off as AI-server and data-center hardware names were dumped in the 'AI doomsday trade'.
- 5. SWKS-10.29%Skyworks SolutionsAnalog and RF semiconductors for smartphones and wireless connectivityFell in the broad semiconductor selloff sparked by calls to slow AI development.
- 6. LITE-9.92%LumentumOptical components, lasers and photonics for data centers and networkingDropped with the data-center optics complex amid the Corning-led offering and AI-hardware cooling.
- 7. GEV-8.62%GE VernovaPower-generation equipment, electrification and grid, and wind energySank after GLJ Research initiated coverage at Sell with a $470 target, challenging its AI-power-boom valuation.
- 8. CIEN-8.55%CienaOptical networking systems and software for telecom and data centersCaught in the selloff of optical-networking and data-center hardware tied to the AI-hardware pullback.
- 9. SMCI-8.38%Super Micro ComputerHigh-performance servers and storage systems for AI and data centersDumped as a high-beta AI-server play during the AI-hardware selloff.
- 10. LRCX-8.29%Lam ResearchWafer-fabrication equipment for semiconductor manufacturingFell with chip-equipment peers in the semiconductor selloff driven by AI-slowdown fears.
Common Themes
The losers were a clean cross-section of the 'AI hardware' trade: computer hardware (GLW, HPE, CIEN, SMCI), semiconductors and chip equipment (TER, SWKS, LRCX), data-center optics (COHR, LITE) and AI-power (GEV). The dominant thread was the AI-slowdown/AI-safety debate that made investors dump anything levered to the AI capex build-out. Two names had their own catalysts amplifying the move: Corning's surprise $2B equity offering (which also pressured the optics group) and a Sell initiation on GE Vernova.
Overall read
Today was a sharp rotation within tech rather than a broad market decline: money moved out of the AI hardware/infrastructure complex — chips, servers, optics and AI-power — and into software, cybersecurity and asset-light services perceived as more insulated from an AI-spending slowdown. It was essentially the mirror image of the Oracle-capex-driven hardware rally seen a few sessions earlier, catalyzed by an AI-safety debate and rising Treasury yields.