FORT WORTH, Texas--(BUSINESS WIRE)--Pier 1 Imports, Inc. (NYSE:PIR) today reported financial results for the fourth quarter and fiscal year ended February 28, 2015. Fiscal 2015 Key Financial Metrics Total sales increased 5.3% (5.8% on a constant currency basis); Company comparable sales rose 4.7% (5.2% on a constant currency basis); E-Commerce sales represented 11% of total sales; Gross profit of $749.7 million, or 40.2% of total sales; Merchandise margin of $1.081 billion, or 58.0% of total sa