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

Navistar International Corporation (symbol: NAV) was one of the biggest
winners of the trading day today (2015-10-05), gaining 18.73%. The number
of shares that changed hands was 3,831,867, or about 2.3 times the average
daily volume in the stock.
The closing price was $14.45, amounting to a market cap of $1,180,000,000,
about -62.02% off the highest price in the last 12 months. The stock has
been trading at a range between $11.76 and $38.05.
NAV is in the Auto Manufacturing industry, part of the Capital Goods sector.