Press Release: ValuEngine : Spherix Highlights ValuEngine Upgrade to 'Buy' Rating

NEW YORK, Oct. 17, 2019 /PRNewswire/ -- Spherix Incorporated (Nasdaq: SPEX) today announced that its stock has been upgraded to a "buy" rating from a "hold" rating in a research note issued to investors by ValuEngine Inc. (www.valuengine.com). ValuEngine uses proprietary models to...