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

Helix Energy Solutions Group, Inc. (symbol: HLX) was one of the biggest
winners of the trading day today (2016-03-07), gaining 18.68%. The number
of shares that changed hands was 3,434,242, or about 2.5 times the average
daily volume in the stock.
The closing price was $5.4, amounting to a market cap of $570,090,000,
about -69.54% off the highest price in the last 12 months. The stock has
been trading at a range between $2.6 and $17.73.
HLX is in the Oilfield Services/Equipment industry, part of the Energy
sector.