VMware shares are trading at their lowest levels in five years after the vendor shared fiscal 2016 guidance that fell short of Wall Street's expectations, but its NSX software-defined networking business is a bright spot in the gloom.  Michael Feld, CEO of VertitechIT, a Holyoke, Mass.-based VMware partner focused on the health-care space, said some of his large hospital customers have bought "millions of dollars" of NSX.  Read More...