Despite fast-depleting gas inventories, Europe’s benchmark natural gas prices plummeted by more than 5% early on Monday as forecasts of milder weather ahead and a plunge in the U.S. benchmark futures eased concerns about supply. The front-month Dutch TTF Natural Gas Futures, the benchmark for Europe’s gas trading, slumped by 5.6% as of 9:00 a.m. in Amsterdam on Monday, to $36.41 (30.675 euros) per megawatt-hour (MWh). This was the lowest price in five weeks, since the second week of January. Weather models suggest milder temperatures…