This week has been full of surprises for investors in FuelCell Energy (FCEL -6.06%). First, the company announced that it had received a grant from the German government to explore ways to improve efficiency and reliability for its cells, which is a technological way of saying lower costs. Then, we learned that General Electric saw a breakthrough with its own fuel cell system and plans to start a pilot manufacturing facility very soon. While this second bit of news sent shares climbing, this could actually be troublesome for FuelCell Energy because General Electric's system will compete most directly with FuelCell Energy's system.

Find out why General Electric's fuel cell is most likely to affect FuelCell Energy's future more than other fuel cell manufacturers. Also, find out why this can be both troublesome and a blessing in disguise for investors in FuelCell Energy by tuning into the video below.