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

SunPower Corporation (symbol: SPWR) was one of the biggest winners of the
trading day today (2016-12-07), gaining 14.22%. The number of shares that
changed hands was 9,752,677, or about 3.2 times the average daily volume in
the stock.
The closing price was $7.95, amounting to a market cap of $1,100,000,000,
about -74.44% off the highest price in the last 12 months. The stock has
been trading at a range between $6.0 and $31.1.
SPWR is in the Semiconductors industry, part of the Technology sector. It
first went public in 2005.