Check out the companies making headlines before the bell: UnitedHealth — Shares popped more than 6% after UnitedHealth reported first-quarter earnings and revenue that beat analyst expectations. The company earned $7.23 per share, adjusted, on revenue of $11.72 billion. Analysts expected a profit of $6.57 per share on revenue of $109.57 billion. UnitedHealth also hiked its full-year earnings outlook. 3M — Shares fell slightly after the manufacturing giant posted lackluster guidance and mixed Q1 results. The company sees earnings per share between $8.50 and $8.70. Analysts polled by FactSet expected guidance around $6.50 per share. Amazon — The online retailer popped 3% after Amazon agreed to invest up to $25 billion in Anthropic as part of an expanded agreement to build out AI infrastructure. This comes on top of the $8 billion Amazon has already invested in the artificial intelligence startup in recent years. In turn, Anthropic said in the Monday announcement that it’s committed to spending more than $100 billion on Amazon Web Services technologies over the next 10 years. Apple — The tech stock fell less than 1% in extended trading after Apple announced that Tim Cook will step down as CEO on Sept. 1. Cook will assume the role of executive chairman and will be replaced by John Ternus, an insider who served as senior vice president of hardware engineering. Alaska Air Group — The airline fell more than 1% after it pulled its 2026 forecast due to the uncertainty around fuel costs. In the first quarter, Alaska Air lost $1.68 per share, after adjustments, on revenue of $3.3 billion. Both numbers fell short of estimates. According to LSEG, analysts anticipated the airline would lose $1.35 per share on revenue of $3.31 billion. GE Aerospace — Shares jumped nearly 3% after GE Aerospace reported first quarter earnings of $1.86 per share, on an adjusted basis, on revenues of $11.61 billion. Analysts polled by LSEG had expected per-share earnings of $1.60 on revenues of $10.72 billion. RTX — Shares jumped more than 2% after the company reported an earnings and revenue beat for the first quarter. RTX delivered earnings of $1.78 per share and revenue of $22.08 billion, better than FactSet estimates of $1.51 in earnings per share and $21.46 billion in revenue. And after a strong quarter for its defense business, it hiked its full-year earnings and sales outlook for 2026. Zions Bancorp — Shares dipped slightly after the regional bank posted net interest income in its first quarter of $662 million, below the $674.5 million expected by analysts polled by StreetAccount. However, earnings of $1.56 per share beat the consensus forecast of $1.42 per share, according to LSEG. Steel Dynamics — The steel producer added less than 1% after posting mixed first-quarter results. Revenue of $5.20 billion outpaced the $5.10 billion analysts surveyed by LSEG were expecting. But earnings of $2.78 per share came in slightly below the expected $2.79 per share. D.R. Horton — Shares rose 2.5% after the homebuilder reported fiscal second-quarter earnings of $2.24 per share, beating the $2.15 earnings per share expected by analysts polled by LSEG. However, quarterly revenue of $7.56 billion came in below the forecasted $7.60 billion. Tractor Supply — The rural lifestyle retailer slid 5.4% after Tractor Supply posted earnings and revenue that disappointed expectations. First quarter earnings of 31 cents per share came in below the 34 cents expected by analysts polled by FactSet. Revenue of $3.59 billion missed the $3.63 billion consensus estimate, from FactSet. Danaher — Shares gained 1.7% after the life sciences and diagnostics company posted earnings of $2.06 per share, excluding items, on revenue of $6 billion. That topped expectations of earnings of $1.94 per share on revenue of $5.98 billion, according to analysts polled by FactSet. Quest Diagnostics — Shares of the laboratory testing services company popped 2.9% following its latest results. Quest Diagnostics posted first-quarter earnings of $2.50 per share, on an adjusted basis, exceeding the earnings of $2.37 per share expected by analysts polled by FactSet. Revenue of $2.90 billion also beat the $2.83 billion consensus estimate. — CNBC’s Davis Giangiulio, Lisa Kailai Han and Fred Imbert contributed reporting
