Investors appear reassured by the company's potential growth prospects, given its record full-year revenue and its acquisition of a rival energy drink brand.

Celsius shares are up more than 30% after its quarterly results topped estimates and it announced plans to buy drink maker Alani Nu.

The purchase price consideration comprises $1,275 million of cash and a $25 million earn-out and $500 million (or approximately 22.5 million shares) of newly issued restricted shares of Celsius Holdings common stock,