Feb 27, 2013 (ACCESSWIRE-TNW via COMTEX) -- New York (February 27th, 2013) - Medical Marijuana Inc. (otc pink:MJNA) stock is trading at $0.30, down 0.66 percent from its previous close of $0.30. The stock is marginally down with the volume of 3.Marketwatch · 2/26/2013