Orlando killings prompt share rise in US gun companies Shares in US gun companies saw stocks rise as a result of the mass murder in an Orlando LGBT nightclub. It is a well observed phenomenon that firearm shares rise after a mass killing.Analysts claim that consumers get spooked by the idea of tougher gun laws and rush to purchase. Smith & Wesson saw gains of 6.9 percent while other manufacturers registered rises of up to 8.5 percent. The numbers for the US gun sector are staggering $13.5 bn represents the annual revenue for gun and ammunition manufacture yielding a $1.5 bn profit. GBC