PTC Inc. (PTC) came out with quarterly earnings of $0.98 per share, in line with the Zacks Consensus Estimate. This compares to earnings of$0.99 per share a year ago. These figures are adjusted for non-recurring items.A quarter ago, it was expected that this product development software maker would post earnings of $1.23 per share when it actually produced earnings of$1.46, delivering a surprise of 18.70%.Over the last four quarters, the company has surpassed consensus EPS estimates three times.PTC Inc., ...