Dow Drops Slightly, Most Housing Stocks Remain UnmovedBy Matthew Silver / Manufactured and Modular Housing News, news-at-noon, Stocks / March 14, 2011 The Dow closed down 51.24 points to close at 11,993.16. All housing stocks remained unchanged except Skyline Corp., which gained two-thirds of a percent. The Manufactured Housing Composite did add .21 percent to close at 1119.70.