Prothena (PRTA) came out with a quarterly loss of $0.67 per share versus the Zacks Consensus Estimate of a loss of$0.6. This compares to a loss of $1.1 per share a year ago. These figures are adjusted for non-recurring items.This quarterly report represents an earnings surprise of -11.67$1.11 per share when it actually produced a loss of $1.86, delivering a surprise of -67.57%.Over the last four quarters, the company has not be ...