Could a recovery be on the way, or is this just a temporary pop? Shares of hydrogen companies had an incredible week as investors dove back into higher-risk assets and some strange trading dynamics hit the market early in the week. On top of the strange trading, a $1.7 billion conditional loan guarantee is helping the industry. According to data provided by S&P Global Market Intelligence, shares of Plug Power (PLUG -5.61%) were up as much as 32%, FuelCell Energy (FCEL -3.12%) was up 21.4%, and Bloom Energy ...