Globe Newswire says Cavco Industries, Inc. (NASDAQ:CVCO), one of the largest manufacturers in the U.S. of manufactured homes, is set to issue its fourth quarter fiscal year 2011 earnings report after the close of the market on Thursday, May 5.  A live webcast will follow the next day, Friday, May 6 at 12:00 PM by senior management personnel at http://www.cavco.com under the Investor Relations link.  The webcast will be available at the above-named link for 90 days.  Headquartered in Phoenix, Arizona, the company manufactures under the Cavco and Fleetwood names, and also produces community model homes and vacation cabins.