Zions Bancorp.(NASDAQ:ZION) reported its first-quarter 2012 earnings per share of 33 cents, surpassing the Zacks Consensus Estimate of 26 cents. Also, this compared favorably with the prior-quarter earnings of 30 cents. After considering non-cash effects of the discount amortization on convertible subordinated debt as well as additional accretion on acquired loans and accelerated amortization of [...]