Shares of Gartner Inc. (IT) rose 5.79% on October 21, 2026, closing at $219.63 as the research and advisory firm extended a sustained period of gains. The move pushed the stock's market capitalization to $13.12 billion.
The single-session advance built on broader momentum that has carried the stock higher in recent weeks. Over the trailing seven days, Gartner shares gained 11.51%, while the 30-day return reached 18.19%.
The consecutive gains across all three measured timeframes signal consistent buying pressure in the stock. Tuesday's session represented one of the larger single-day moves in the recent stretch, contributing meaningfully to the month-long advance.
At $219.63 per share, Gartner trades at a level that reflects the full scope of the recent rally. The company's $13.12 billion market capitalization underscores its standing as a significant player in the research and advisory sector.
