$NAV is one of biggest losers #stocks today. read more:

Navistar International Corporat (symbol: NAV) was one of the worst losers
of the trading day today (2016-06-14), losing -12.78%. The number of shares
that changed hands was 4,197,211, or about 3 times the average daily volume
in the stock.
The closing price was $11.47, amounting to a market cap of $935,960,000,
about -53.66% off the highest price in the last 12 months. The stock has
been trading at a range between $5.78 and $24.75.
NAV is in the Auto Manufacturing industry, part of the Capital Goods sector.