Hub Group Inc. said its first-quarter profit slipped from a year ago, citing “extreme weather in many markets,” although its revenue improved.

U.S. rail intermodal traffic increased 9.3% in the week ended April 12 compared with the same week last year, the Association of American Railroads reported.

Union Pacific Corp.’s first-quarter earnings jumped 14% to $1.1 billion, or $2.38 a share, the company reported April 17. Revenue rose 6.6% to $5.64 billion.

CSX Corp. reported its first-quarter net income fell 14% to $398 million, or 40 cents per share, as the rail industry began its first-quarter round of earnings reports on a lower note.

U.S. rail intermodal traffic increased 12.6% in the week ended April 5 compared with the same week last year, the Association of American Railroads reported.

Ceva Logistics said it has opened a Foreign Trade Zone warehouse in Miami, approved by the U.S. Customs and Border Protection.

Swift Transportation Co. said it expects its first-quarter earnings to be 11 to 13 cents per share, lower than previously expected, due to severe weather.

Intermodal rail volume for March rose 9.9% compared with the same time last year, the Association of American Railroads reported.

XPO Logistics Inc. said it completed the acquisition of Pacer International Inc., an intermodal and logistics management company, for $335 million in cash and stock.