Economic activity in the manufacturing sector expanded in December following a one-month decline, while the overall economy grew for the 62nd consecutive month, say the nation's supply executives in the latest Manufacturing ISM Report On Business.   ; ISM reported that manufacturing proved resilient in December, as the PMI returned to growth registering 51.4 percent after a decline (under 50 percent) in November. Both New Orders and Production made significant gains to drive the PMI back above the breakeven point. Manufacturing employment remained relatively unchanged as the Employment Index shows a negligible change for the second consecutive month.   ; The Prices Index is trending downward, relieving some of the inflationary pressure that has troubled manufacturing since the middle of 2003.   ; Top performing industries were, in order: Apparel, Leather & Allied Products; Printing & Related Support Activities; Plastics & Rubber Products; Miscellaneous Manufacturing; Petroleum & Coal Products; Computer & Electronic Products; Primary Metals; Chemical Products; and Food, Beverage & Tobacco Products.   ; Commodities reported up in price: Aluminum; Chemicals; Corn; Metals; Natural Gas; Nickel; and Titanium.   ; Commodities reported down in price: Copper; HDPE; Natural Rubber; Petroleum Products; Polypropylene Resins; and Steel.   ; More details here. Economic indicators at MDM's Databank.