Cotton futures eased to a nine-month low on Monday as building harvest pressure and concerns over excess inventories weighed. The most-active December cotton contract on ICE Futures US edged down 0.43 cent, or 0.5 percent, to settle at 78.65 cents a lb. Prices touched as low as 78.52 cents, the weakest level for the spot contract since January. Fibre performed in line with broader commodities markets, with the Thomson Reuters/Core Commodity CRB index down on the day. Harvests have begun in key p