When looking at valuation, Las Vegas Sands (LVS -0.69%), Melco Crown (MLCO -1.77%), MGM Resorts (MGM -0.09%), and Wynn Resorts (WYNN 2.58%) are pretty evenly matched. The big difference among these stocks right now comes down to risk and reward. Gaming analyst Travis Hoium covers who's high-risk and who's low-risk in the video below.