NEW YORK--(BUSINESS WIRE)--Tiffany & Co. (NYSE:TIF) today reported its results for the three month period (“first quarter”) ended April 30, 2015. Net sales and earnings declines, albeit smaller than anticipated, reflected the negative effects from the strong U.S. dollar and a difficult year-over-year sales comparison in Japan. Management maintained its earnings guidance for the year ending January 31, 2016, as specified in the Company’s news release on March 20th. In the first quarter: Worl