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

Teekay Corporation (symbol: TK) was one of the biggest winners of the
trading day today (2016-11-21), gaining 12.66%. The number of shares that
changed hands was 8,400,258, or about 5.8 times the average daily volume in
the stock.
The closing price was $7.74, amounting to a market cap of $657,030,000,
about -72.79% off the highest price in the last 12 months. The stock has
been trading at a range between $4.37 and $28.45.
TK is in the Marine Transportation industry, part of the Transportation
sector.