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What: Shares of power systems maker Vicor
So what: It would be unfair to say that Vicor's fourth-quarter report disappointed analysts, because I can't find evidence of a single firm following this stock, and management doesn't do guidance. Still, it's objectively bad news when the book-to-bill ratio lands at 0.66, far below the kingmaking 1.0 benchmark.
Now what: Vicor's sales are accelerating and margins are blossoming across the board, so it's not all bad news. Including today's drop, the stock has climbed more than 65% over the last year and it's also one of the highest-yielding dividend payers in the construction industry. Power-chip rivals Vishay Intertechnology
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