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

Frank's International N.V. Comm (symbol: FI) was one of the worst losers of
the trading day today (2016-07-28), losing -16.36%. The number of shares
that changed hands was 5,822,622, or about 10 times the average daily
volume in the stock.
The closing price was $12.37, amounting to a market cap of $1,920,000,000,
about -31.81% off the highest price in the last 12 months. The stock has
been trading at a range between $12.1 and $18.14.
FI is in the Oilfield Services/Equipment industry, part of the Energy
sector. It first went public in 2013.
Looking at its valuation, the stock is now trading at 43.56 times earnings.