ST. LOUIS--(BUSINESS WIRE)--Caleres (NYSE: CAL) (caleres.com) today reported second quarter 2015 financial results, with net sales of $637.8 million versus second quarter 2014 net sales of $635.9 million. Second quarter 2015 net earnings were $16.8 million, or $0.38 per diluted share, and included $5.3 million of after-tax expense related to the company’s debt extinguishment. Excluding this expense, net earnings were $22.1 million, or $0.50 per diluted share, up 22.4% versus second quarter 2014