European natural gas prices plunged after Russian shipments via a key route crossing Ukraine rebounded. Futures slumped as much as 9.1% as deliveries into Slovakia through the Velke Kapusany interconnection point on the border with Ukraine returned to normal levels, according to data from grid operator Eustream. Additional Russian supplies are pressuring prices just as mild weather curbs demand and several cargoes of liquefied natural gas arrive at European shores. European gas futures fell to 79.96 euros a megawatt-hour before paring some losses to trade 8.4% lower at 77.55 euros by 9:45 a.m. in Amsterdam. The equivalent U.K. contract tumbled 6.3% to 190.20 pence a therm. Russian flows via Poland into Germany remain suspended, and geopolitical tensions over Ukraine are still running high. Russian Foreign Minister Sergei Lavrov and U.S. Secretary […]