$MRO is one of biggest winner #stocks today. read more:

Marathon Oil Corporation (symbol: MRO) was one of the biggest winners of
the trading day today (2016-06-20), gaining 10.03%. The number of shares
that changed hands was 39,510,403, or about 1.8 times the average daily
volume in the stock.
The closing price was $14.48, amounting to a market cap of $12,270,000,000,
about -47.86% off the highest price in the last 12 months. The stock has
been trading at a range between $6.52 and $27.77.
MRO is in the Oil & Gas Production industry, part of the Energy sector.