Check out the companies making the biggest moves premarket: United Airlines — Shares rose more than 1.5% even after the airline posted disappointing guidance for its current quarter and full year as rising fuel prices pressure its outlook. United expects 2026 adjusted earnings of between $7 and $11 per share, down from prior guidance of between $12 and $14 per share. The company also expects adjusted earnings for its current quarter to come in the range of $1 to $2 per share, lower than FactSet's $2.08 estimate. However, the company's first-quarter earnings and revenue both beat expectations. GE Vernova — The energy technology company popped 4% after its first quarter revenue topped expectations. GE Vernova reported $9.34 billion in revenue compared to estimates of $9.25 billion, according to analysts polled by FactSet. The company also reported earnings of $17.44 per share, though StreetAccount noted it wasn't clear if that was comparable to estimates of $1.95. Boeing — Shares jumped 3.5% after the company reported better-than-expected losses in the first quarter. The company lost 20 cents per share and delivered $22.22 billion, compared to estimates of 80 cents in losses per share and $21.78 billion in revenue, according to LSEG. Capital One Financial — The stock shed almost 3% after the bank posted first-quarter earnings of $4.42 per share, excluding items, and revenue of $15.23 billion. This came below the estimated profit of $4.55 per share and revenue of $15.36 billion that analysts polled by LSEG were anticipating. Vertiv — Shares fell more than 4% despite the company reporting an earnings and revenue beat in its first-quarter report. Vertiv delivered $1.17 in earnings per share and revenue of $2.65 billion, compared to estimates for $1 in earnings per share and $2.64 billion in revenue, according to analysts polled by FactSet. AT & T — Shares were up 0.5% after the company posted first-quarter results that beat analyst expectations. The telecom giant earned an adjusted 57 cents per share on revenue of $31.5 billion. Analysts polled by LSEG expected a profit of 55 cents per share on revenue of $31.25 billion. Best Buy — The retailer jumped 2% after it announced Jason Bonfig will replace Corie Barry as CEO starting on Oct. 31. Bonfig is currently the company's chief customer, product and fulfillment officer. Interactive Brokers Group — Shares rose 0.5% despite the brokerage company's first-quarter revenue of $1.68 billion falling short of the $1.71 billion analysts surveyed by LSEG had penciled in. The company's adjusted earnings of 60 cents per share were in line with expectations. Coinbase , Robinhood — The digital trading platforms rose after Bitcoin prices hit their highest levels since early February, crossing $78,000. Coinbase jumped nearly 4.5%, while Robinhood rose about 3.5%. W. R. Berkley — The insurance name shed 1% after it reported first-quarter operating earnings of $1.30 per share, higher than the FactSet consensus of $1.13 per share. However, gross and net premiums came under expectations. Adobe — Shares rose nearly 3% after the tech company's board approved a $25 billion stock repurchase program through April 2030. The buyback plan comes as Adobe's stock is down more than 29% year to date. Boston Scientific — The stock rose 0.5% after a first-quarter financial report that was broadly in line with expectations. Boston Scientific delivered earnings of 80 cents and $5.2 billion in revenue, compared to estimates of 79 cents in earnings per share and $5.17 billion in revenue, according to analysts polled by FactSet. However, the company's full-year guidance of $3.34 to $3.41 in earnings per share came below expectations of $3.45. Elevance Health — The insurer fell nearly 0.5% despite its better-than-expected earnings report and the company forecasting better-than-expected guidance. Elevance reported $12.58 in earnings per share and $49.49 billion in revenue, compared to estimates according to analysts polled by FactSet for $11.03 and $48.17 billion, respectively. — CNBC's Fred Imbert and Lisa Kailai Han contributed reporting
