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.