The stock market, as measured by the S&P 500, is having a fantastic year. As of Dec. 11, the broad index has climbed 28% in 2024, building off last year's 24% rise. Market sentiment is certainly strong as we set our sights on the calendar turning.But not all companies have benefited from the bullish environment. Energy drink purveyor Celsius (CELH -0.62%) has seen its share price tank 45% this year. That might be compelling for investors looking to buy the dip.Before you do that, though, you must know these ...