AMMs offices will be closed Dec. 24, 25 and 26 and Jan. 1 for the Christmas and New Year holidays, and no issues will be published on Dec. 25, 26 and 27 and Jan. 2. The London Metal Exchange will be closed Dec. 25 and 26 and Jan. 1, and the New York Mercantile Exchange will be closed Dec. 25 and Jan. 1. Exchange prices for Dec. 24 and 26 will be published in the Dec. 28 issue.