Vitran Corp. said late Tuesday it lost $900,000, or 6 cents a share, in the first quarter, narrowing its loss of $2.4 million, or 17 cents, in the same period last year.

P.A.M. Transportation Services said it lost $315,000 in the first quarter, compared with a  $3.3 million loss a year ago.

Norfolk Southern Corp. reported that its first-quarter profit rose 45% from a year ago.

Con-way Inc.

Con-way Inc. said late Thursday it lost $1.9 million, or 4 cents a share, in the fourth quarter, compared with a loss of $43 million, or 94 cents, a year earlier.