Wild 170% Rally, Then Sharp Pullback: Plug Power’s stock went on a dizzying surge over the past three months, rocketing from penny-stock levels to a 52-week high around $4.18 by mid-October – a +170% rebound amid “green hydrogen” hype . At its peak the stock was up ~65% year-to-date, but euphoria faded fast. After closing at $3.40 on Oct. 20, PLUG plunged over 8% the next day (low of $3.05) and...