At the close of the morning session, most domestic futures contracts declined, with platinum and lithium carbonate falling nearly 10%, palladium falling nearly 9%, tin falling over 6%, polysilicon falling nearly 6%, gold falling nearly 4%, and nickel, cast aluminum alloy, aluminum, and silver falling nearly 3%. International copper, alumina, and styrene (EB) fell over 2%. On the upside, SC crude oil, polyvinyl chloride (PVC), fuel oil, coking coal, and coke rose over 1%.