Microsoft Soars Past $4 Trillion on AI Deals as Earnings Loom
MSFT Stock Flirts with Record Highs on AI Momentum Microsoft’s stock has been on a tear in late 2025, fueled by enthusiasm for its AI initiatives and strong business fundamentals. MSFT shares are trading near all-time highs, having climbed about 25% since January and roughly 60% year-over-yearts2.tech – dramatically outpacing the broader market. On October 28, the stock spiked on news of Microsoft’s expanded deal with OpenAI, briefly rallying almost 4% and touching an intraday high around $554. That surge propelled Microsoft’s market capitalization above the historic $4 trillion threshold for the first timeeuronews.com. The stock settled back to close up