Shares of Caesars Entertainment rose as much as 12% in early trading on Monday after Eldorado Resorts agreed to buy the casino operator in a cash and stock deal worth a total of $17.3 billion. Eldorado will pay $8.58 billion and assume Caesars' $8.8 billion in debt. Including Caesars' $8.8 billion debt load, the overall value of the transaction comes to roughly $17.3 billion.