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

Aviva plc Unsponsored ADR (UK) (symbol: AV) was one of the worst losers of
the trading day today (2016-06-24), losing -21.37%. The number of shares
that changed hands was 1,889,117, or about 6 times the average daily volume
in the stock.
The closing price was $10.45, amounting to a market cap of $21,120,000,000,
about -38.06% off the highest price in the last 12 months. The stock has
been trading at a range between $10.31 and $16.87.
AV is in the Life Insurance industry, part of the Finance sector.
Looking at its valuation, the stock is now trading at 16.53 times earnings.