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

Pampa Energia S.A. (symbol: PAM) was one of the biggest winners of the
trading day today (2015-10-26), gaining 14.08%. The number of shares that
changed hands was 515,634, or about 3.9 times the average daily volume in
the stock.
The closing price was $21.96, amounting to a market cap of $1,150,000,000,
about -3.26% off the highest price in the last 12 months. The stock has
been trading at a range between $8.8 and $22.7.
PAM is in the Electric Utilities: Central industry, part of the Public
Utilities sector.
Looking at its valuation, the stock is now trading at 7.44 times earnings.