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

Encana Corporation (symbol: ECA) was one of the biggest winners of the
trading day today (2016-01-28), gaining 15.57%. The number of shares that
changed hands was 27,760,285, or about 2.0 times the average daily volume
in the stock.
The closing price was $4.38, amounting to a market cap of $3,700,000,000,
about -70.26% off the highest price in the last 12 months. The stock has
been trading at a range between $3.0 and $14.73.
ECA is in the Oil & Gas Production industry, part of the Energy sector.