Gambling revenue in Macau rose 18% to $2.6 billion in March, sending casino stocks Melco Crown Entertainment  (MPEL) , Wynn Resorts  (WYNN - Get Report) and MGM Resorts  (MGM - Get Report) rising Monday afternoon. 

Melco and Wynn both climbed nearly 2% on heavy volume, while MGM rose 0.7% on even volume Monday.