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

Icahn Enterprises L.P. (symbol: IEP) was one of the worst losers of the
trading day today (2016-08-18), losing -6.36%. The number of shares that
changed hands was 504,432, or about 5 times the average daily volume in the
stock.
The closing price was $54.65, amounting to a market cap of $7,550,000,000,
about -32.82% off the highest price in the last 12 months. The stock has
been trading at a range between $42.5 and $81.35.
IEP is in the Integrated oil Companies industry, part of the Energy sector.