Trucking and logistics company Werner Enterprises Inc's quarterly results topped estimates helped by higher revenues due to contractual rate increases.

For the second quarter, net income was $27.5 million, or 38 cents a share, compared with $20.9 million, or 29 cents a share, a year ago.

Revenue, at the company which hauls truckload shipments mainly for retailers, and consumer and grocery products companies, rose 11 percent to $515.9 million.

Analysts, on average, had expected earnings of 34 cents a share, before special items, on revenue of $512.1 million, according to Thomson Reuters I/B/E/S. (Reuters)