George Rose / Getty Images Key TakeawaysBally's Corp. shares took off Monday, soaring almost 30%, after hedge fund Standard General made a new bid to take over the casino operator.Standard General offered $15 per share for Bally's, a 41% premium from Friday's closing price and above Monday's $13.64 close.The hedge fund had made a $38-a-share bid for the company in January 2022, which was rejected. Bally’s Corp. (BALY) shares skyrocketed almost 30% after hedge fund Standard General offered to buy the rest of the shares of the casino operator it doesn’t own for $15 a share.