Check out the companies making headlines before the bell: Moderna — The biotechnology company retreated 4% after losing $2.91 per share in the fourth quarter, a wider loss than the $2.68 expected by LSEG. However, the company beat expectations of analysts for revenue in the quarter. GameStop — Shares rallied 8% after sources familiar with the matter told CNBC that the video game retailer is considering investing in bitcoin and other cryptocurrencies. The company is determining whether this would be wise as a business move, one source said. Roku — The streaming stock surged 14% on better-than-expected results for the fourth quarter. Roku said it lost 24 cents per share, while analysts polled by LSEG expected a loss of 40 cents per share. The company recorded $1.20 billion in revenue, while the Street penciled in just $1.15 billion. Airbnb — Shares popped more than 13% after Airbnb posted a top- and bottom-line beat for the fourth quarter. The vacation rentals company reported earnings of 73 cents per share on $2.48 billion in revenue. Analysts surveyed by LSEG had forecast earnings of 58 cents per share and revenue of $2.42 billion. Informatica — Shares plunged 33% after the cloud data management company issued a grim forecast for the current quarter. Informatica sees first-quarter revenue ranging between $380 million and $400 million, below the $412 million expected by analysts polled by LSEG. Full-year revenue guidance also came in below expectations, with the company anticipating sales of $1.67 billion to $1.72 billion, lower than the $1.78 billion consensus estimate. Applied Materials — The semiconductor company slid 4.8% after providing a softer-than-anticipated revenue outlook that overshadowed quarterly results that beat analysts' expectations. Twilio — The cloud communications stock tumbled 8.8% in the wake of weak earnings guidance. Twilio told investors to expect earnings per share between 88 cents and 93 cents in the first quarter, under the forecast of 99 cents per share from analysts polled by LSEG. Palo Alto Networks — The tech stock fell more than 4.4% after free cash flow results for the latest quarter missed estimates. Palo Alto reported $509.4 million in free cash flow for its fiscal second quarter, while analysts polled by FactSet were looking for $694.9 million. The company did top estimates for adjusted earnings per share and revenue. DaVita — The dialysis provider's stock slid 9% after the company issued a weak outlook amid rising care costs. DaVita expects its 2025 adjusted profit per share to be between $10.20 and $11.30, compared to analysts' average expectation of $11.24 per share, per LSEG. Big investor Berkshire Hathaway also offloaded some shares in a preplanned agreement. Dexcom — The medical device maker popped 3% after reaffirming full-year revenue guidance, despite it being slightly lower than expected by analysts polled by FactSet. Dexcom also posted $1.11 billion in revenue for the fourth quarter, which is in line with the Street's estimates. DraftKings — The stock climbed 5.4% after the sports betting company raised the lower end of its full-year revenue guidance. It now expects revenue of $6.3 billion to $6.6 billion, bringing its midpoint to $6.45 billion. Analysts polled by LSEG were anticipating full-year revenue of $6.39 billion. DraftKing's fourth-quarter results fell short of the Street's estimates. Coinbase — The crypto marketplace slid 2.5% despite earnings coming in ahead of forecasts. Coinbase earned $4.68 per share on revenue of $2.27 billion, while analysts polled by LSEG anticipated $1.81 in earnings per share and $1.88 billion in revenue. — CNBC's Hakyung Kim, Yun Li, Michell Fox, Sarah Min and Jesse Pound contributed reporting.
