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

Dynegy Inc. Common Stock (symbol: DYN) was one of the worst losers of the
trading day today (2016-06-10), losing -11.91%. The number of shares that
changed hands was 3,851,022, or about 1 times the average daily volume in
the stock.
The closing price was $18.27, amounting to a market cap of $2,140,000,000,
about -46.63% off the highest price in the last 12 months. The stock has
been trading at a range between $7.2 and $34.23.
DYN is in the Electric Utilities: Central industry, part of the Public
Utilities sector.
Looking at its valuation, the stock is now trading at 11.48 times earnings.