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

SunEdison, Inc. Common Stock (symbol: SUNE) was one of the worst losers of
the trading day today (2016-01-07), losing -39.38%. The number of shares
that changed hands was 163,223,387, or about 3 times the average daily
volume in the stock.
The closing price was $3.34, amounting to a market cap of $1,060,000,000,
about -90.01% off the highest price in the last 12 months. The stock has
been trading at a range between $2.55 and $33.45.
SUNE is in the Semiconductors industry, part of the Technology sector.