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

Atwood Oceanics, Inc. Common St (symbol: ATW) was one of the worst losers
of the trading day today (2016-04-01), losing -7.63%. The number of shares
that changed hands was 4,770,293, or about 1 times the average daily volume
in the stock.
The closing price was $8.47, amounting to a market cap of $548,590,000,
about -76.25% off the highest price in the last 12 months. The stock has
been trading at a range between $4.82 and $35.66.
ATW is in the Oil & Gas Production industry, part of the Energy sector.
Looking at its valuation, the stock is now trading at 1.29 times earnings.