Nav - View the basic NAV stock chart on Yahoo Finance. Change the date range, chart type and compare Navistar International Corporat against other companies. What is 'Netet Value - NAV' Netet value (NAV) is value per share of a mutual fund or an exchange-traded fund (ETF) on a specific date or time. With both Tweet with a location. You can add location information to your Tweets, such as your city or precise location, from the web and via third-party applications. Definition and Usage. The