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

MAG Silver Corporation Ordinary (symbol: MAG) was one of the worst losers
of the trading day today (2016-12-09), losing -8.73%. The number of shares
that changed hands was 322,390, or about 2 times the average daily volume
in the stock.
The closing price was $11.6, amounting to a market cap of $935,750,000,
about -35.98% off the highest price in the last 12 months. The stock has
been trading at a range between $6.12 and $18.12.
MAG is in the Industrial Machinery/Components industry, part of the Capital
Goods sector.