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

Pampa Energia S.A. Pampa Energi (symbol: PAM) was one of the worst losers
of the trading day today (2016-08-16), losing -5.9%. The number of shares
that changed hands was 617,081, or about 2 times the average daily volume
in the stock.
The closing price was $25.52, amounting to a market cap of $1,730,000,000,
about -12.75% off the highest price in the last 12 months. The stock has
been trading at a range between $14.34 and $29.25.
PAM is in the Electric Utilities: Central industry, part of the Public
Utilities sector.
Looking at its valuation, the stock is now trading at 7.79 times earnings.