$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 (2015-08-26), losing -6.75%. The number of shares
that changed hands was 5,557,328, or about 2 times the average daily volume
in the stock.
The closing price was $7.18, amounting to a market cap of $2,910,000,000,
about -58.28% off the highest price in the last 12 months. The stock has
been trading at a range between $5.64 and $17.21.
AU is in the Precious Metals industry, part of the Basic Industries sector.