RE:Thanks for news sharing !
Whoami2u basically said it all. I will add that I think that this investment will help PWR stock price grow more than GRB's.
This would increase GRBs underlying value, but to increase the stock price, people still need to invest in GRB. I believe other mile stones will affect and grow GRBs stock price more than PWR at this time.
Imo PWR is in a fast growing market, and with GRBs interest, I would recommend on watching how PWR develops. But don't expect this news to drastically change GRBs price. Hope this answers your question.