05:16 AM EDT, 10/22/2025 (MT Newswires) -- (Updates with the stock move in the headline and the first paragraph.)

Vicor ( VICR ) shares were up 18% in recent premarket activity Wednesday after the company overnight reported a year-over-year jump in Q3 earnings and revenue.

The company reported Q3 earnings late Tuesday of $0.63 per diluted share, up from $0.26 a year earlier.

Three analysts polled by FactSet expected $0.17.

Revenue in the quarter ended Sept. 30 rose to $110.4 million from $93.2 million a year earlier.

Three analysts expected $95.4 million.