$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 (2016-05-25), losing -4.84%. The number of shares that
changed hands was 4,692,904, or about 2 times the average daily volume in
the stock.
The closing price was $17.69, amounting to a market cap of $2,070,000,000,
about -48.72% off the highest price in the last 12 months. The stock has
been trading at a range between $7.2 and $34.5.
DYN is in the Electric Utilities: Central industry, part of the Public
Utilities sector.
Looking at its valuation, the stock is now trading at 11.12 times earnings.