PDF Solutions (PDFS) came out with quarterly earnings of $0.25 per share, in line with the Zacks Consensus Estimate . This compares to earnings of$0.25 per share a year ago. These figures are adjusted for non-recurring items. A quarter ago, it was expected that this provider of software and services for semiconductor makers would post earnings of $0.2 per share when it actually produced earnings of$0.19, delivering a surprise of -5%.Over the last four quarters, the company has surpassed consensus EPS esti ...