As the New York-New Jersey area recovers from Superstorm Sandy, electricity remains spotty and power plants need repair. That has caused some electrical equipment stocks to jump. One of the beneficiaries is Generac Holdings (GNRC), a maker of backup generators. Its shares jumped 21% last week in the aftermath of Sandy. The stock hit a new high Monday and is now well extended from a three-weeks-tight pattern it formed in mid-October. CEO Aaron