Meta Platforms is trading 6.5% down at ARS 48,960.00 on September 28, 2026, as renewed macro risk weighs on equities. - President Trump rejected Iran’s proposal, oil rose, and elevated Treasury yields weighed on equities. - Reuters said markets were mostly lower as U.S.-Iran truce hopes faded and bond yields stayed under pressure. - No fresh company-specific catalyst is clear; Meta’s recent Muse AI agent rally does not explain today’s drop, with evidence favoring broader risk-off sentiment.