Key TakeawaysBoeing shares surged in premarket trading Monday as markets reacted to a tentative agreement between the plane maker and two key labor union partners.The International Association of Machinists and Aerospace Workers represents over 30,000 Boeing workers across Washington, Oregon, and California.The sides agreed to a deal including raises, revamped retirement benefits, and parental leave, potentially averting a strike. Boeing (BA) shares jumped in premarket trading Monday, a day after the plane ...