 Guggenheim Taxabl Mncpl Mngd Drtn Trst NYSE:GBAB shares crossed below its 200-day moving average during trading on Thursday . The stock has a 200-day moving average of 23.63 and traded as low as 20.51. Guggenheim Taxabl Mncpl Mngd Drtn Trst shares last traded at 20.69, with a volume of 91,400 shares traded. The company has ... 