Is now an optimal time to buy Celsius Holdings stock? Celsius Holdings (CELH -2.93%) has been a terrific growth stock to own over the past decade as both its top and bottom lines have soared. But this year has been a nightmare for shareholders of the energy drink company. Its growth rate has slowed, and with a concerning outlook ahead, the stock has been in a free fall. Year to date, shares of Celsius are now down more than 35%. The stock could be headed for its worst year since 2011. Is Celsius in deep tro ...