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

Alamos Gold Inc. Class A Common (symbol: AGI) was one of the worst losers
of the trading day today (2015-07-20), losing -18.25%. The number of shares
that changed hands was 1,780,185, or about 2 times the average daily volume
in the stock.
The closing price was $3.36, amounting to a market cap of $946,420,000,
about -66.86% off the highest price in the last 12 months. The stock has
been trading at a range between $3.34 and $10.14.
AGI is in the Precious Metals industry, part of the Basic Industries sector.