Vicor is trading 4.05% higher at $279.19 as investors respond to its September 21 guidance increase, lifting expected Q3 sequential revenue growth from nearly 10% to more than 20%. - The improvement was attributed to royalties from a non-exclusive Vertical Power Delivery license; four OEMs and hyperscalers reportedly secured licenses. - Vicor gained 19.85% to $268.34 on September 22, despite broader markets trading lower on September 23; company-specific catalysts remained primary.