Europe’s benchmark natural gas prices fell by nearly 6% mid-day in Amsterdam on Wednesday, erasing gains from earlier in the day, as the heatwave across southern Europe started to abate and gas inventories are high with storage sites on track to be full well in advance of EU targets. The front-month futures at the TTF hub, the benchmark for Europe’s gas trading, traded at $34 (30.75 euros) per megawatt-hour (MWh) as of 12:08 p.m. GMT on Wednesday, down by 5.8% on the day. Early on Wednesday, prices rallied by 5% after news broke that…