Warner Bros. Discovery says it’s open to a sale after ‘unsolicited offers,’ stock surges 8% admin 3 days ago New York State Comments Off on Warner Bros. Discovery says it’s open to a sale after ‘unsolicited offers,’ stock surges 8% 2 Views Zaslav said Warner Bros. Discovery, which owns HBO, CNN and the Warner Bros. studio, has been preparing to split into two companies next year. Share Facebook Twitter Stumbleupon LinkedIn Pinterest