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

Helix Energy Solutions Group, I (symbol: HLX) was one of the worst losers
of the trading day today (2015-07-21), losing -16.81%. The number of shares
that changed hands was 5,466,925, or about 4 times the average daily volume
in the stock.
The closing price was $9.4, amounting to a market cap of $995,580,000,
about -66.43% off the highest price in the last 12 months. The stock has
been trading at a range between $9.11 and $28.0.
HLX is in the Oilfield Services/Equipment industry, part of the Energy
sector.
Looking at its valuation, the stock is now trading at 6.17 times earnings.