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

Pengrowth Energy Corporation (symbol: PGH) was one of the worst losers of
the trading day today (2016-12-26), losing -8.44%. The number of shares
that changed hands was 8,124,315, or about 6 times the average daily volume
in the stock.
The closing price was $1.41, amounting to a market cap of $772,270,000,
about -32.21% off the highest price in the last 12 months. The stock has
been trading at a range between $0.45 and $2.08.
PGH is in the Oil & Gas Production industry, part of the Energy sector.