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

CST Brands, Inc. (symbol: CST) was one of the biggest winners of the
trading day today (2016-06-02), gaining 18.23%. The number of shares that
changed hands was 5,643,546, or about 9.3 times the average daily volume in
the stock.
The closing price was $44.95, amounting to a market cap of $3,390,000,000,
about -0.72% off the highest price in the last 12 months. The stock has
been trading at a range between $29.73 and $45.28.
CST is in the Automotive Aftermarket industry, part of the Consumer
Durables sector.
Looking at its valuation, the stock is now trading at 22.31 times earnings.