--US NAPM May index at 42.1 vs Apr's 43.2
--US NAPM May employment index at 35.0 vs Apr's 38.1
--US NAPM May inventory index 38.7 vs Apr's 39.6
--US NAPM May price index at 45.2 vs Apr's 48.9
--US NAPM May new orders index 45.5 vs Apr's 45.9
--US NAPM May production index 42.7 vs Apr's 42.9
--US NAPM May import index 46.6 vs Apr's 47.2
--US NAPM May new export orders index 45.6 vs Apr's 47.3
New York, June 1 (BridgeNews) - A key barometer of the health of the U.S. manufacturing economy fell in May, indicating that growth in the sector remains sluggish after a slight improvement the previous month. The National Association of Purchasing Management said its index of economic activity fell to 42.1 in May from 43.2 in April. The May level was slightly below 43.7 that economists had forecast.