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

American Railcar Industries, Inc. (symbol: ARII) was one of the biggest
winners of the trading day today (2015-10-30), gaining 15.35%. The number
of shares that changed hands was 713,480, or about 2.6 times the average
daily volume in the stock.
The closing price was $57.72, amounting to a market cap of $1,160,000,000,
about -18.06% off the highest price in the last 12 months. The stock has
been trading at a range between $33.02 and $70.44.
ARII is in the Railroads industry, part of the Capital Goods sector. It
first went public in 2006.
Looking at its valuation, the stock is now trading at 10.24 times earnings.