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

SolarCity Corporation (symbol: SCTY) was one of the worst losers of the
trading day today (2016-09-01), losing -9.1%. The number of shares that
changed hands was 8,627,052, or about 2 times the average daily volume in
the stock.
The closing price was $18.78, amounting to a market cap of $1,880,000,000,
about -68.1% off the highest price in the last 12 months. The stock has
been trading at a range between $16.31 and $58.87.
SCTY is in the Engineering & Construction industry, part of the Basic
Industries sector. It first went public in 2012.