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

TerraForm Power, Inc. (symbol: TERP) was one of the biggest winners of the
trading day today (2015-12-01), gaining 32.61%. The number of shares that
changed hands was 32,420,522, or about 8.8 times the average daily volume
in the stock.
The closing price was $9.15, amounting to a market cap of $1,140,000,000,
about -78.55% off the highest price in the last 12 months. The stock has
been trading at a range between $6.73 and $42.66.
TERP is in the Electric Utilities: Central industry, part of the Public
Utilities sector. It first went public in 2014.