General Motors is higher in Tuesday trading after reporting first-quarter 2026 results that beat profit expectations and after raising its full-year adjusted profit forecast. The rally is being reinforced by a tariff-related tailwind: GM indicated an approximately $500 million favorable adjustment tied to a Supreme Court decision that reduced tariff costs, helping support the improved outlook.

For Q1 2026, GM reported adjusted earnings of $3.70 per share and revenue of about $43.62 billion. The profit figure was well above consensus expectations cited by market trackers, while revenue was roughly in line; the combination of an earnings beat and higher full-year expectations is the primary driver behind the day’s move.

GM’s updated 2026 outlook reflects lower expected tariff costs, including the roughly $500 million favorable adjustment, alongside resilience in higher-margin U.S. trucks that helped lift core profitability in the quarter. GM’s Q1 results also included updated 2026 guidance ranges for key non-GAAP measures, including higher EBIT-adjusted guidance versus the company’s prior range.

Investors will focus on management’s details around tariff exposure, the durability of U.S. truck pricing/mix, and how the company expects the rest of 2026 to develop. Commentary on demand trends, cost discipline, and any additional tariff refund mechanics could shape whether the post-earnings pop holds through the session.