Gartner is trading 6.1% higher at $198.00 in pre-market on October 1, 2026, versus its September 30 close of $186.54; no clear company-specific catalyst has been identified. - The move is sharp against a modestly positive broader-market backdrop. - Gartner’s October IT Symposium/Xpo speaker lineup was reported, but coverage does not establish it as the cause. - Technology-sector optimism may be supportive, though evidence does not confirm a direct link.