New orders for U.S. factory goods unexpectedly fell in April as demand for transportation equipment and a range of other goods weakened, suggesting that manufacturing remained constrained by a strong dollar and spending cuts in the energy sector. New orders for manufactured goods slipped 0.4 percent after a slightly upwardly revised 2.2 percent increase in March, the Commerce Department said on Tuesday. Manufacturing, which accounts for about 12 percent of the U.S.