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The Cass Freight Index, a measure of shipping activity in trucking and other transportation modes, dropped in February while expenditures rose, Cass Information Systems said.
Shipping fell 0.4% in February from the year before but increased 7.3% from January, Cass said.
"Despite continued weather problems, North American shipment volume and freight spending both soared in February 2014," Cass said in its March 7 report. "The number of shipments, in particular, followed the pattern we have observed for the past several years by reversing the January decline."
Freight expenditures increased 6.4% in January from last year and rose 6.8% month-over-month.
Although freight expenditures increased from January, it was the weakest January-to-February rise since 2010, Cass said.