Celsius is a high-risk/high-potential-reward play in the coveted energy drink category.Once-red-hot growth stock Celsius Holdings (CELH 1.54%) has turned ice cold -- falling a painful 73% in just six months. Profits have plummeted, but Celsius continues to take market share and expand its product lineup and global footprint. Let's look at what's driving the steep sell-off. Could the growth stock be worth buying now? Celsius' rise to stardomIn 2022, Celsius landed a distribution agreement with PepsiCo -- giv ...