If it weren’t already, Argus Research is calling Amazon.com, Inc. AMZN an "essential" holding. In what has turned out to be one of the most disruptive companies this millennium, this multi-industry juggernaut is a must in most portfolios according to Argus analyst Jim Kelleher. Following its Whole Foods acquisition, Amazon has just scratched the surface of the potential of this deal and is positioned to enter new markets. The discounting that Amazon introduced at Whole Foods is not expected to have much of a material impact on the company’s margins. The synergies between Whole Food shopping and Amazon’s prime membership is a key element of the benefits Amazon is poised to reap as a result of the deal. Read moreStochastics are netering oversold territory, so there is some upside potential.The prive will go up to the upper edge of the falling channel. $AMZN, Amazon.com, Inc. / D