Take a look at some of the biggest movers in the premarket:

Boeing (BA) – Boeing defense workers will vote on a new proposed labor agreement on Wednesday, averting – for now – a strike that could have begun today. Separately, sources tell CNBC the Federal Aviation Administration has approved inspection protocol revisions that should allow the jet maker to resume deliveries of its 787 Dreamliner. Boeing shares jumped 5.4% in the premarket.