Celsius tumbles after quarterly profit misses estimates

** Shares of energy drink maker Celsius Holding CELH.O fall 17.1% to $24.15 premarket

** Co reports Q2 EPS of 36 cents, missing analysts' estimates of 43 cents, data compiled by LSEG

** CELH posts Q2 revenue of $818 mln, below estimates of $870 mln

** Says gross margin fell to 48% from 51% a year earlier as ongoing aluminum cost inflation outweighed freight savings and acquisition synergies

** 21 of 25 brokerages rate the stock "buy" or higher and four "hold"; median PT is $50 - LSEG data

** As of last close, stock has fallen 36.3% YTD