Complex sentence: At the end of March, Future Shop's Canadian division had produced record-setting sales and earnings for the company; however, the company's earnings were down 20 percent from the previous year, because of many losses caused by its failing U.S. operations.
Split into simpler sentences: At the end of March, Future Shop's Canadian division had produced record-setting sales and earnings for the company. However, the company's earnings were down 20 percent from the previous year, because of many losses caused by its failing U.S. operations.