The Journal of Commerce--The closely watched Cass Freight Index for U.S. shipping jumped back into positive territory in August, increasing 8.3 percent from the month before and joining other signals of returning industrial growth.

The Cass shipments index recovered in August after sliding in July on a month-to-month basis for the first time in seven months, and it grew 16.5 percent over the same month a year ago. Read more here.

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