Spok Holdings, Inc. (NASDAQ:SPOK – Get Free Report) shares crossed above its 200-day moving average during trading on Tuesday . The stock has a 200-day moving average of $12.63 and traded as high as $14.50. Spok shares last traded at $14.38, with a volume of 117,010 shares changing hands. Analyst Upgrades and Downgrades Separately, StockNews.com […]