In morning trading, shares of truckload carrier J.B. Hunt Transport Services Inc. added $1.82, or 8.8 percent, to $22.57. Shares of less-than-truckload carrier Old Dominion Freight Line Inc. rose $1.64, or 6.8 percent, to $25.71. Asset-light freight mover C.H. Robinson Worldwide Inc. advanced $2.38, or 5.8 percent, to $43.28.
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