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

Eclipse Resources Corporation C (symbol: ECR) was one of the worst losers
of the trading day today (2016-06-29), losing -17.03%. The number of shares
that changed hands was 24,146,542, or about 30 times the average daily
volume in the stock.
The closing price was $3.41, amounting to a market cap of $760,200,000,
about -36.26% off the highest price in the last 12 months. The stock has
been trading at a range between $0.65 and $5.35.
ECR is in the Oil & Gas Production industry, part of the Energy sector. It
first went public in 2014.