Zions Bancorp (NASDAQ:ZION) posted better-than-expected quarterly results on Monday. Zions Bancorp reported quarterly sales of $776.000 million which beat the analyst consensus estimate of $759.379 million. This is a 0.51% decrease over sales of $780.000 million the same period last year. GAAP EPS came in at $1.28 topping market expectations of $1.09 per share, according to data from Benzinga Pro. Harris H. Simmons, Chairman and CEO of Zions Bancorporation, commented, “Second quarter results demonstrated continued improvement in our net interest margin, effective expense management, strong cre…