Cornerstone Wealth Management LLC raised its position in shares of Generac Holdings Inc. (NYSE:GNRC – Free Report) by 6.3% in the 4th quarter, according to the company in its most recent Form 13F ...

And Generac has a portable generator that runs on propane insead of gas. GE's Briggs and Stratton generator promises to monitor remotely when you're not at home.

When the next polar vortex hits, be prepared and able to keep your devices and small appliances charged ready to go.