Lululemon shares plunged 15.8% after the athleisure firm cut its 2025 revenue forecast to $10.85-11B and EPS to $12.77-12.97, below prior guidance. U.S. sales are seen falling 1-2% amid weak demand and product missteps. Trump's tariffs and the removal of the de minimis import exemption will slash $240M from 2025 gross profit. Stock is down 46% YTD.