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% …