NEW YORK--(BUSINESS WIRE)--Shake Shack Inc. (“Shake Shack” or the “Company”) (NYSE:SHAK), today reported financial results for the second quarter ended July 1, 2015, a period that included 13 weeks. Financial Highlights for the Second Quarter 2015: Total revenue increased 74.7% to $48.5 million. Shack sales increased 77.9% to $46.6 million. Same-Shack sales increased 12.9%. Shack-level operating profit*, a non-GAAP measure, increased 110.9% to $14.1 million, or 30.3% of Shack sales. Adjusted EB