After years and years of slow growth, many investors in 2020 seemed to conclude that the fuel cells and hydrogen economy had reached an inflection point. As large companies announced their support for fuel cells and hydrogen, fuel cell stock prices soared.
But that enthusiasm has cooled off considerably in 2021. Plug Power (NASDAQ: PLUG), in particular, has suffered. While the shares seemed pricey in 2021, over the past three months, they plummeted by more than 61% while the S&P 500 has risen by more than 6%. Does this represent an opportune time to buy Plug Power's stock, or is the sell-off a signal that something's amiss and investors should stay away?
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Source Fool.com