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

Advantage Oil & Gas Ltd (symbol: AAV) was one of the biggest winners of the
trading day today (2016-01-20), gaining 14.12%. The number of shares that
changed hands was 450,401, or about 4.8 times the average daily volume in
the stock.
The closing price was $4.93, amounting to a market cap of $841,550,000,
about -25.19% off the highest price in the last 12 months. The stock has
been trading at a range between $3.89 and $6.59.
AAV is in the Oil & Gas Production industry, part of the Energy sector.
Looking at its valuation, the stock is now trading at 19.56 times earnings.