Casino stocks have taken a beating in recent weeks, and one Wall Street analyst says it’s time for investors to step in and buy the dip in a handful of top stocks. The Analyst Jefferies analyst David Katz updated his ratings and price targets for the following gaming stocks: Upgraded Boyd Gaming Corporation from Hold to Buy and reiterated a $42 price target.Downgraded Wynn Resorts, Limited from Buy to Hold and lowered his price target from $229 to $170.Reiterated a Buy rating and $36 price target for MGM Resorts International .Reiterated a Buy rating and $40 price target for Penn National Gaming, Inc. .Reiterated a Buy rating and $40 price target for Golden Entertainment Inc .Source