Medical Marijuana, Inc. Portfolio of Companies Announces Expansion of Offices and Warehouse Operations in California PR Newswire SAN DIEGO, Oct. 11, 2017 SAN DIEGO , Oct. 11, 2017 /PRNewswire/ -- Medical Marijuana, Inc. (OTC: MJNA), the first-ever publicly traded cannabis company in the United States , announced today that it has expanded the size of its operations warehouse, more than tripling the size of the previous site. This expansion is a direct result of the rapid sales growth within the...