MGM Resorts soars 25% after IAC buys 12% stake, calling it 'once in a decade opportunity' (IAC)

· *MGM Resorts soared as much as 25% on Monday after IAC said it bought a 12% stake in the company for approximately $1 billion.*
· *IAC Chairman Barry Diller called investing in MGM right now a "once in a decade opportunity."*
· *IAC has been looking to put cash to work after completing its spinoff of Match Group in June,...