BUZZ-Hydrogenics Corp: Surprise Q4 profit
** Canadian fuel-cell company's U.S.-listed shares up 8.4 pct at $13.47; Toronto-listed up 7.4 pct at C$16.93
** Reports surprise profit of 6 cents per share, compared with analysts' average estimate of 2 cents loss
** Q4 revenue jumps a better-than-expected 42 pct, driven by higher demand for its fuel-cell products
** Chief Executive Daryl Wilson says "upbeat" about plans to be EBIDTA positive in 2015
** Up to Tuesday's close, the U.S.-listed stock had fallen 61 pct over the past 12 months
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