Manufacturing activity in the Chicago region improved this month, but continued to show contraction, the National Association of Purchasing Management said Wednesday.

Canadian transportation firm TransForce Income Fund said Wednesday its first-quarter net income was C$19.1 million, or 22 cents per unit, compared with C$20.9 million, or 24 cents, a year ago.

Trailer maker Wabash National Corp. reported a first-quarter loss was $6.4 million, or 21 cents a share, compared with a profit of $1 million, or 3 cents, a year ago.

Third-party logistics company and freight broker Hub Group’s first-quarter profit rose to $13.1 million, or 35 cents per share, from $11.5 million, or 29 cents, a year earlier.

Eastern freight railroad Norfolk Southern Corp. said its first-quarter profit rose 2%, as higher revenue per shipment offset an overall drop in traffic and record fuel prices.

Transportation and logistics firm C.H. Robinson Worldwide’s first-quarter profit rose to $86.3 million, or 50 cents a share, from $73 million, or 42 cents, a year ago.

Canadian Pacific Railway’s first-quarter net income fell 29% from a year ago to C$91 million, or 59 cents a share, from C$129 million, or 82 cents, a year ago.