Finance

After-hours movers: Marvell jumps on AI demand; Costco, Gap swing on results

Marvell Technology jumped nearly 9% after hours as AI demand underpins its outlook, while Costco and Gap delivered mixed results that sent their shares in different directions. Across software and medical devices, Samsara, Guidewire, and Cooper Companies posted upbeat guidance or earnings, underscoring AI-driven themes shaping post-market moves.

📅 March 05, 2026
⏱️ 2 min read
After-hours movers: Marvell jumps on AI demand; Costco, Gap swing on results

Key Takeaways

  • Marvell guided YoY revenue growth accelerates each quarter in fiscal 2027, and the stock rose about 9% after hours.
  • Costco posted H1 EPS of $4.58 on $69.6 billion in revenue with membership fees up 13.6%; shares fell less than 1% after hours.
  • Samsara issued full-year adj EPS guidance of $0.65–$0.69 and revenue guidance of $1.97–$1.98 billion, with AI-enabled workflows cited; stock jumped over 11% after hours.
  • Guidewire Software reported Q2 adj EPS of $1.17 on $359.1 million in revenue, beating consensus of $0.77 on $342 million; stock rose about 5% after hours.
  • Gap Inc. posted Q4 EPS of $0.45 on revenue of $4.24 billion, lagging the $0.46/$4.24 billion consensus and traded lower after hours.

People Involved

  • No specific individuals mentioned

Entities Involved

  • Costco Wholesale Co. (COST) Retail warehouse club operator
  • Marvell Technology (MRVL) Semiconductor company
  • Gap Inc. (GPS) Apparel retailer
  • Samsara (SAMS) Industrial IoT software platform
  • Guidewire Software (GWRE) Insurance software provider
  • Cooper Companies (COOP) Medical devices and eye-care products

MarketMoodz Analysis

AI-driven demand remains a cross-sector theme, lifting investor interest in semiconductors, software-enabled services, and even retailers after the close. Marvell's guidance that YoY revenue growth accelerates each quarter in fiscal 2027 aligns with a broader AI capex cycle, helping lift the stock in after-hours trading. Mixed results in Costco and Gap show that while AI and efficiency narratives can swing sentiment, actual consumer and apparel demand remains uneven.

Historically, AI-driven tailwinds have produced sharp, uneven moves around earnings, with chips and AI-enabled software leading the way while traditional retailers wrestle with margins and traffic. The outsized moves in Samsara, Guidewire, and Cooper familiarize investors with AI as a real, revenue-driving force rather than a rhetorical theme.

What to watch next: follow earnings revisions and AI-related guidance in the coming weeks, especially for hardware, software, and consumer-facing names. Track evidence of durable AI demand in capex cycles, enterprise IT budgets, and consumer spending trends to see if after-hours volatility translates into sustained momentum.

Source: Original Article

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