Reflecting the continuing crisis in Japan and rising turmoil in the Middle East, the Dow closed down .15 percent, but remained above the twelve hundred mark to end the day at 12018.63.  Nobility Homes gained .83 percent, Cavco lost 1.36 percent and Skyline Corp was down .46 percent.  Deer Valley remained unchanged. The Manufactured Housing Composite lost .88 percent to close at 1176.50.