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

Companhia Paranaense de Energia (symbol: ELP) was one of the worst losers
of the trading day today (2016-04-04), losing -9.11%. The number of shares
that changed hands was 846,507, or about 2 times the average daily volume
in the stock.
The closing price was $7.58, amounting to a market cap of $2,070,000,000,
about -36.41% off the highest price in the last 12 months. The stock has
been trading at a range between $4.22 and $11.92.
ELP is in the Electric Utilities: Central industry, part of the Public
Utilities sector.
Looking at its valuation, the stock is now trading at 7.23 times earnings.