Microsoft’s Blockbuster October 2025: Stock Soars on AI Boom, Bold Deals, and New Tech Unveiled
October 2025 saw Microsoft’s stock extending its year-long rally and flirting with record highs. By October 17, MSFT shares closed around $513–$514, within striking distance of their all-time peakts2.tech. This puts Microsoft up roughly 23% from a year agots2.tech and about 25% higher year-to-datets2.tech, handily outperforming the broader indices. The stock’s climb has added hundreds of billions to Microsoft’s market capitalization, now just under the $4 trillion milestonets2.techts2.tech. Investors have been encouraged by Microsoft’s resilient growth and AI leadership, treating the company as a cornerstone of the current tech boom.