What caused Microsoft's stock to surge 22% in a week and add a record $450 billion in single-day market value, and what key details about itMicrosoft added $450 billion in single-day market value as its Q4 2026 earnings proved AI investment returns.
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Create a landscape editorial hero image for this Studio Global article: What caused Microsoft's stock to surge 22% in a week and add a record $450 billion in single-day market value, and what key details about it. Article summary: ## Microsoft's Fiscal Q4 2026: Record Stock Surge, $678B AI Backlog, and the Mega-Cap Earnings Divergence. Topic tags: general, news, general web, user generated. Style: premium digital editorial illustration, source-backed research mood, clean composition, high detail, modern web publication hero. Use reference image context only for broad subject, composition, and topical grounding; do not copy the exact image. Avoid: logos, brand marks, copyrighted characters, real person likenesses, fake screenshots, UI text, readable text, watermarks, charts with fake numbers, clickbait thumbnails, icons, and tiny thumbnail layouts. Make it useful as an illustrative visual