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

NCI Building Systems, Inc. New (symbol: NCS) was one of the worst losers of
the trading day today (2016-12-09), losing -10.08%. The number of shares
that changed hands was 2,385,213, or about 5 times the average daily volume
in the stock.
The closing price was $16.05, amounting to a market cap of $1,140,000,000,
about -11.33% off the highest price in the last 12 months. The stock has
been trading at a range between $9.07 and $18.1.
NCS is in the Metal Fabrications industry, part of the Capital Goods sector.
Looking at its valuation, the stock is now trading at 23.78 times earnings.