Is Celsius a Buy After Tumbling 18% in 1 Day?

Celsius Holdings (CELH) shares dropped 18% after missing Q2 earnings expectations with revenue of $817.9M (up 11% YoY) and adjusted EPS of $0.36 (down 23% YoY). The flagship Celsius brand saw sales decline 12% year-over-year, signaling slowing growth. Despite trading at a forward P/E of 18.8 and 75% below its March 2024 peak, the stock remains a risky investment due to intense competition from Red Bull, Monster Beverage, and new entrants like Costco's Kirkland brand, with durability of future growth highly uncertain.