Shares of Vicor Corporation (NASDAQ:VICR) rose 3.5% following upgrades from analysts at Craig-Hallum and Needham. Craig-Hallum upgraded the stock from Hold to Buy, citing increased confidence in royalty outlook and engagement with Vertical Power Delivery solutions. Needham also raised its rating to Buy, based on a new two-year license agreement and growth in IP licensing business. Vicor closed at $149.78, up 3% from previous close. The market sees the news as meaningful but not game-changing. Vicor is up 27.4% YTD, setting a new 52-week high at $148.91. Investors who bought $1,000 of Vicor 5 years ago would now have $1,490.

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