At POWR they bought companies while tripling in size. I've been calling for PLUG to buy HYGS and take advantage of the, in my view unwarranted, valuation differential. This new CFO, combined with the Burger King purchase of Canadian based Tim Horton's to take advantage of taxation makes a similar move from PLUG more likely.
Disclosure: The author is long HYGS.
Additional disclosure: and plans to trade it actively as price dictates