$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 (2016-05-26), losing -9.39%. The number of shares
that changed hands was 4,236,024, or about 1 times the average daily volume
in the stock.
The closing price was $10.52, amounting to a market cap of $681,660,000,
about -67.06% off the highest price in the last 12 months. The stock has
been trading at a range between $4.82 and $31.94.
ATW is in the Oil & Gas Production industry, part of the Energy sector.
Looking at its valuation, the stock is now trading at 1.61 times earnings.