Shares of Jack in the Box jumped after the company's adjusted earnings for the fiscal first quarter were higher than Wall Street analysts had expected. The stock was up 14%, at $38.56, midday Wednesday. Shares are still down about 7% since the start of the year and were trading at around $70.77 this time a year ago.

The average estimate of 10 analysts surveyed by Zacks Investment Research was for earnings of $1.71 per share. The burger chain posted revenue of $469.4 million in the period, which fell short of Street forecasts.