Smart Global Holdings, Inc. (NASDAQ:SGH) reported its second-quarter financial results after the bell Tuesday. Here's a look at the details.  The Details: The company reported quarterly earnings of 27 cents per share, beating the analyst consensus estimate of 25 cents by 8%. Quarterly sales came in at $284.8 million, beating the analyst consensus estimate of $283.792 million, yet representing a 33.64% decrease from sales of $429.174 million ...