Kohl’s Corp. shares surged after it offered a more optimistic full-year sales outlook, a sign that the troubled retailer’s turnaround efforts are gaining traction.

The company now expects comparable sales to be down no more than 5% this year, less than its prior forecast for a decline of as much as 6%. The company also reported second-quarter sales that were better than Wall Street estimates.

Shares of the Menomonee Falls, Wisconsin-based company rose as much as 19% as of 7:30 a.m. in early New York trading. The stock had declined 7.1% this year through Tuesday’s close.

The latest results suggest that recent moves, such as focusing on fine jewelry and improving its womenswear selection, are helping Kohl’s win back consumers. Kohl’s has looked to tie-ups with brands such as Sephora an

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