Pure Storage Inc (NYSE:PSTG) shares are trading higher after the company reported its first-quarter financial results Wednesday. Here's a look at the highlights from the report.  The Details: Pure Storage reported quarterly earnings of 32 cents per share, which beat the analyst consensus estimate of 21 cents by 52.38%. Quarterly sales clocked in at $693.479 million, beating the analyst consensus estimate of $680.972 million and representing a 17.68% increase over sales of $589.307 million ...