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

AngloGold Ashanti Limited Commo (symbol: AU) was one of the worst losers of
the trading day today (2016-02-16), losing -10.34%. The number of shares
that changed hands was 5,210,149, or about 1 times the average daily volume
in the stock.
The closing price was $10.49, amounting to a market cap of $4,250,000,000,
about -13.38% off the highest price in the last 12 months. The stock has
been trading at a range between $5.64 and $12.11.
AU is in the Precious Metals industry, part of the Basic Industries sector.