Key Takeaways CELH is driving rapid U.S. growth through market-share gains, PepsiCo's distribution and growing brands.CELH's margins stay above 50%, but near-term results may be volatile.MNST delivers solid growth, strong margins and global expansion backed by Coca-Cola's distribution network.Celsius Holdings, Inc. (CELH) and Monster Beverage Corporation (MNST) are two prominent names in the global energy drink category, operating at different ends of the growth and scale spectrum. CELH is a fast-growing fu ...