 Shares of Neurometrix Inc NASDAQ:NURO fell 7.1 during trading on Friday . The stock traded as low as 2.06 and last traded at 2.09, 829,259 shares changed hands during trading. An increase of 0 from the average session volume of 828,769 shares. The stock had previously closed at 2.25. Separately, Zacks Investment Research lowered shares ... 