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

Sunoco LP Common Units represen (symbol: SUN) was one of the worst losers
of the trading day today (2016-06-08), losing -8.24%. The number of shares
that changed hands was 3,030,302, or about 7 times the average daily volume
in the stock.
The closing price was $30.94, amounting to a market cap of $3,460,000,000,
about -36.0% off the highest price in the last 12 months. The stock has
been trading at a range between $22.86 and $48.34.
SUN is in the Oil Refining/Marketing industry, part of the Energy sector.
It first went public in 2012.
Looking at its valuation, the stock is now trading at 30.48 times earnings.