STORY: Defense stocks soared on Monday as Lockheed Martin and Palantir Technologies gained.Conversely, travel and airline stocks fell due to flight cancellations, high jet fuel costs and widespread closures of Middle Eastern airspace.“We generally avoid discretionary businesses, such as travel that does not have a significant amount of recurring or recurring revenue, or airlines that have a significant amount of cyclicality and do not have a significant amount of recurring revenue,” Shaposhnik said.