Mersana Therapeutics, Inc. (MRSN) came out with a quarterly loss of $0.16 per share versus the Zacks Consensus Estimate of a loss of $0.18. This compares to loss of $0.52 per share a year ago. These figures are adjusted for non-recurring items.This quarterly report represents an earnings surprise of 11.11%. A quarter ago, it was expected that this company would post a loss of $0.20 per share when it actually produced a loss of $0.16, delivering a surprise of 20%.Over the last four quarters, the company has ...