NXP Semiconductors N.V. (NASDAQ:NXPI) reported its first-quarter financial results after the bell Monday. Here's a look at the highlights.  The Details: NXP Semiconductors reported quarterly earnings of $3.24 per share which beat the analyst consensus estimate of $3.16 by 2.53%. Quarterly sales came in at $3.13 billion which beat the analyst consensus estimate of $3.127 billion by 0.11% and represents a 0.29% increase over sales of $3.121 billion from the same period last year. Cash flow from operations was $851 million, with net capex investments ...