Shares of JB Hunt Transport Services (JBHT) - Get Report surged in after-hours trading after the company's latest financial results.

The stock rose more than 6% in after-hours trading to $106.50 after gaining 3% during the regular session.

The company posted adjusted earnings of $1.77 a share on revenue of $2.32 billion.

The company had been expected to report earnings of $1.48 a share on sales of $2.3 billion, based on a FactSet survey of 21 analysts. In the same period a year ago the company posted earnings of $1.02 a share on sales of $2 billion.

The stock had fallen 13% since the company last reported earnings on Oct. 15.

Among other transportation stocks reporting this week, CSX Corp. (CSX) - Get Report  posted net income of $1.01 a share on revenue of $3.14 billion after the bell on Wednesday. The company had been expected to report earnings of 99 cents a share on sales of $3.1 billion, based on a FactSet survey of 25 analysts.

In the same period a year ago the company posted earnings of 64 cents a share on sales of $2.9 billion. The company said its board had authorized a new $5 billion share buyback program following early completion of a previous $5 billion buyback program.

On Friday, Railroad operator Kansas City Southern (KSU) - Get Report is expected to report earnings of $1.53 a share on sales of $683.7 million on Jan. 18, based on a FactSet survey of 19 analysts. In the same period a year ago the company posted earnings of $1.38 a share on sales of $660.4 million. The stock has fallen 3.9% since the company last reported earnings on Oct. 19. 

Next week, Norfolk Southern Corporation

(NSC) - Get Report

is expected to report earnings of $2.28 a share on sales of $2.9 billion on Jan. 24, based on a FactSet survey of 24 analysts. In the same period a year ago the company posted earnings of $1.69 a share on sales of $2.7 billion. The stock has risen 1.6% since the company last reported earnings on Oct. 24. Quarterly estimates have fallen 3.1 cents a share in the past month. Norfolk Southern is currently trading at a price-to-forward-earnings ratio of 16 based on the 12-month estimates of 27 analysts surveyed by FactSet.

Also next Thursday, Union Pacific Corporation (UNP) - Get Report is expected to report earnings of $2.06 a share on sales of $5.7 billion on Jan. 24, based on a FactSet survey of 24 analysts. In the same period a year ago the company posted earnings of $1.53 a share on sales of $5.5 billion. The stock has risen 5.4% since the company last reported earnings on Oct. 25. Quarterly estimates have risen 1.2 cent a share in the past month. Union Pacific is currently trading at a price-to-forward-earnings ratio of 17.1 based on the 12-month estimates of 27 analysts surveyed by FactSet.