Nucor Corporation (NYSE:NUE) reported its first-quarter financial results after the bell Monday. Here's a look at the details.  The Details: Nucor reported quarterly earnings of $3.46 per share which missed the analyst consensus estimate of $3.65 by 5.21% and represents a 22.25% decrease from earnings of $4.45 per share year-over-year. Quarterly sales came in at $8.14 billion, missing the analyst consensus estimate of $8.26 billion by 1.49% and representing a 6.58% decrease from the same period last year. At the end ...