Sony just invested $250 million in the company behind 'Fortnite' (SNE)

· *Sony is making a $250 million "strategic investment" in Epic Games, the company behind "Fortnite," the two announced on Thursday.*
· *That $250 million buys Sony a 1.4% stake in Epic Games, which puts Epic's current valuation at just shy of $18 billion.*
· *The big-money investment "cements an already close relationship...