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

Superior Energy Services, Inc. (symbol: SPN) was one of the biggest winners
of the trading day today (2016-09-29), gaining 8.42%. The number of shares
that changed hands was 7,936,959, or about 2.7 times the average daily
volume in the stock.
The closing price was $16.99, amounting to a market cap of $2,580,000,000,
about -14.32% off the highest price in the last 12 months. The stock has
been trading at a range between $8.25 and $19.83.
SPN is in the Oilfield Services/Equipment industry, part of the Energy
sector.