 Shares of Casper Sleep Inc NYSE: CSPR are up more than 90 on Monday after Durational Capital Management said it will buy the mattress maker at an about 94 premium on the price at which its stock closed on Friday. Durational to take Casper Sleep private The private equity company has valued Casper Sleep at ... The post Casper Sleep is up 90 on Monday morning: this is why appeared first on Invezz. 