Spok Holdings (NASDAQ:SPOK) reported quarterly earnings of $0.09 per share which missed the analyst consensus estimate of $0.18 by 50 percent. This is a 64 percent decrease over earnings of $0.25 per share from the same period last year. The company reported quarterly sales of $33.226 million which missed the analyst consensus estimate of $35.000 million by 5.07 percent. This is a 8.45 percent decrease over sales of $36.294 million the same period last year.