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

Abengoa Yield plc (symbol: ABY) was one of the biggest winners of the
trading day today (2015-12-01), gaining 10.64%. The number of shares that
changed hands was 2,906,867, or about 2.4 times the average daily volume in
the stock.
The closing price was $16.02, amounting to a market cap of $1,610,000,000,
about -58.75% off the highest price in the last 12 months. The stock has
been trading at a range between $14.1 and $38.84.
ABY is in the Electric Utilities: Central industry, part of the Public
Utilities sector. It first went public in 2014.
Looking at its valuation, the stock is now trading at 188.47 times earnings.