President Trump’s tariff expansions under Section 301 and 338 authorities, including new duties on autos, semiconductors, steel, aluminum, energy inputs, and pharmaceuticals, continue to shape expectations for company-specific references during September 2026. Traders monitor firms in those sectors for exposure to duties or links to administration onshoring incentives, alongside retaliatory measures from Canada scheduled to take effect September 8. A September 12–13 Ireland trip focused on business-leader meetings and any follow-up China diplomacy add near-term catalysts for naming companies in speeches or roundtables. Historical patterns show Trump frequently cites individual firms when addressing trade imbalances, supply chains, or government stakes in manufacturing and AI infrastructure.