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

Sturm, Ruger & Company, Inc. Co (symbol: RGR) was one of the worst losers
of the trading day today (2016-12-02), losing -5.72%. The number of shares
that changed hands was 932,260, or about 3 times the average daily volume
in the stock.
The closing price was $50.25, amounting to a market cap of $953,290,000,
about -35.65% off the highest price in the last 12 months. The stock has
been trading at a range between $47.15 and $78.09.
RGR is in the Ordnance And Accessories industry, part of the Capital Goods
sector.
Looking at its valuation, the stock is now trading at 11.53 times earnings.