Check out the companies making headlines before the bell. Celsius Holdings — The energy drink maker skyrocketed more than 31% after surpassing expectations for fourth-quarter earnings and entering an agreement to acquire Alani Nutrition in a cash and stock deal. Celsius earned an adjusted 14 cents per share on $332 million in revenue, while analysts polled by LSEG penciled in 11 cents per share and $326 million, respectively. Dropbox — Shares of the cloud software company fell more than 9% on mixed quarterly results. Block reported a non-GAAP gross margin of 83.1% in the fourth quarter, in line with analysts’ expectations, per StreetAccount. To be sure, the company’s adjusted earnings and revenue in the period topped consensus forecasts. Block — Shares tumbled 8.8% after Block reported a top- and bottom-line miss in the fourth quarter. The fintech company posted adjusted earnings of 71 cents per share on $6.03 billion in revenue. Analysts polled by LSEG expected earnings of 87 cents per share on revenue of $6.29 billion. Booking Holdings — The online travel booking platform rose 3.1% following better-than-expected results for the fourth quarter. Adjusted earnings came in at $41.55 per share, beating analysts’ estimates for $36.03 per share, per LSEG. Revenue of $5.47 billion also topped forecasts for $5.18 billion. Akamai Technologies — The cloud computing stock tumbled nearly 10% after the company’s guidance for the first quarter came in weaker than expected. In the current quarter, Akamai called for adjusted earnings between $1.54 and $1.59 per share, on revenue of $1 billion to $1.02 billion. Analysts surveyed by LSEG estimated earnings of $1.65 per share on revenue of $1.045 billion. UnitedHealth — Shares sank around 8% after The Wall Street Journal reported that the insurer is under investigation by the Justice Department. The probe is evaluating UnitedHealth’s protocol for recording diagnoses that can lead to extra payments on Medicare Advantage plans, according to the report. Rivian — The electric vehicle maker saw shares falling more than 3% after the firm forecast lower deliveries in 2025. The company forecast deliveries of 46,000 units to 51,000 units for 2025, compared with 51,579 vehicles delivered last year. Rivian did beat Wall Street’s fourth-quarter earnings expectations and achieved its first gross quarterly profit. Insulet — Shares of the manufacturer of insulin delivery systems edged lower by about 1.5%. The company called for first-quarter revenue growth of 22% to 25%, with the lower end coming out slightly under analysts’ estimate of 23.1%, per FactSet. Fourth-quarter results beat expectations on the top and bottom lines, however. MercadoLibre — Shares of the Latin American e-commerce company jumped nearly 12% after fourth-quarter results topped expectations. The company reported $12.61 in earnings per share on $6.06 billion of revenue. Analysts were expecting $7.93 per share on $5.88 billion of revenue, according to LSEG. Grab — Shares rose 2.8% after JPMorgan upgraded the ride-sharing and food delivery application developer to overweight from neutral, saying Grab is set to rise after its latest earnings outlook. Coinbase — Shares of the cryptocurrency exchange rose more than 4% after it said the Securities and Exchange Commission agreed in principle to drop an enforcement action against Coinbase. The deal still needs the commissoner’s approval. — CNBC’s Sarah Min, Alex Harring, Yun Li, Jesse Pound and Pia Singh contributed reporting