First Trust Materials AlphaDEX Fund (NYSEARCA:FXZ) Short Interest Down 35.7% in August

First Trust Materials AlphaDEX Fund (NYSEARCA:FXZ – Get Free Report) was the recipient of a significant decline in short interest in August. As of August 15th, there was short interest totaling 3,600 shares, adeclineof35.7% from the July 31st total of 5,600 s…