https://www.live-feeds.com/feed/copper-fcx-stock-plunge-on-tariff-report-surging-yields-silver-gold-also-fallContinuously updated, source-cited coverage. https://www.live-feeds.com/feed/copper-fcx-stock-plunge-on-tariff-report-surging-yields-silver-gold-also-fallhttps://www.live-feeds.com/feed/copper-fcx-stock-plunge-on-tariff-report-surging-yields-silver-gold-also-fall#u65928Sat, 12 Sep 2026 06:42:45 +0000Copper prices and mining stocks are falling as reports emerge that the White House has stalled its copper tariff plan due to affordability concerns. Freeport-McMoRan stock sank 8% according to Yahoo Finance, while other reports state it closed Thursday at $71.21, down 6.6%. This sell-off reverses a record rally driven by AI-fueled demand and tariff speculation. The decline coincides with surging yields and losses in gold and silver. Market uncertainty centers on whether the administration will drop the plan to avoid increasing manufacturing costs.Why it mattersThe AI boom has increased demand