Shake Shack reported earnings after the closing bell on Thursday, with sales better than expected.
The burger chain reported adjusted earnings per share of 12 cents, against an expected 7 cents according to Bloomberg.
Same-store sales were up 17.1% against estimates of 10.6%.
Shake Shack has now raised its outlook for 2015 revenues to a range of $US189 million to $US190 million from $US171 million to $US174 million.
Shares rose by as much as 3% in after-hours trading on Thursday. Shares are up about 11% from the IPO in February.
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