Vicor is trading 5.61% higher at $281.00 in pre-market, based on the provided data; the reason for the move has not been established. - Vicor closed at $266.07 on October 9; no verified October 12 announcement or other clear same-day catalyst surfaced. - On September 30, Vicor raised its Q3 sequential revenue-growth outlook to more than 30%, citing higher royalties. - Vicor is scheduled to report results October 20; those earlier developments do not establish the reason for this morning’s move.