US factory output rises, but construction falls Associated Press Copyright 2012 Associated Press. All rights reserved. This material may not be published, broadcast, rewritten or redistributed. Updated 09:27 a.m., Monday, April 2, 2012 WASHINGTON (AP) — U.S. factories stepped up hiring and production in March, the latest evidence that manufacturing is growing at a healthy pace and fueling the recovery. The Institute for Supply Management, a trade group of purchasing managers, said Monday that its index of manufacturing activity rose to 53.4 in March. [...] a measure of prices that manufacturers pay dipped slightly but remained high, pointing to rising costs for raw materials, such as oil, copper and plastics. Fifteen of 18 manufacturing industries reported expansion, including mining, steel and other metal production, oil and gas, autos and furniture. Increasingly confident U.S.