The benchmark European natural gas price jumped by 3% at opening in Amsterdam on Friday as the Middle East escalation continues to restrict Qatari LNG flows and some EU countries started tapping gas in storage as temperatures drop. The front-month price at the Dutch Title Transfer Facility (TTF), the benchmark for Europe’s gas trading, jumped by 3% at 7 a.m. Amsterdam time on Friday, as oil prices also rose, and Brent hit a five-month high of $114 per barrel as concerns grow that Houthi attacks could hit Saudi Arabian energy facilities. At…