(Bloomberg) -- European natural gas for summer delivery is more expensive than contracts for this winter, signaling that the region is well-stocked for the current season and will face its next challenge in rebuilding inventories.Most Read from BloombergMusk Fails to Convince Tesla Investors to Overlook SlowdownBoeing Growth Plans Set Back as Regulator Blocks Higher OutputRussia Says Ukraine Downed Plane Carrying Prisoners for SwapHow Yemen’s Houthi Attacks Are Hurting the Global Supply ChainBen