IRVINE, Calif.--(BUSINESS WIRE)--Tilly’s, Inc. (NYSE:TLYS) today announced financial results for the first quarter of fiscal 2015 ended May 2, 2015. “Our first quarter results illustrate continued progress on our initiatives to increase sales and profitability, as we delivered positive comparable store sales and solid earnings growth over the prior year period. We expanded our gross profit and ended the quarter with inventory well positioned for the summer and back-to-school seasons,” commented