After five straight months of increases, new orders for manufactured durable goods were down 1.1 percent, or $2.2 billion, in May
, the U.S. Census Bureau said. New orders totaled $192 billion for May. This follows a 3 percent boost in April.

The Census Bureau said transportation equipment, which has been down for the last four months, took the biggest hit, slipping 6.9 percent to $46.9 billion. The decrease was led by nondefense aircraft and parts.

Shipments of manufactured durable goods decreased 0.4 percent to $196 billion in May, following two straight months of increases.

Meanwhile, inventories gained 0.8 percent, or $2.5 billion, in May, to total $304.4 billion. This is its fifth straight monthly increase. Within inventories, primary metals had the largest gain, growing 3 percent.