$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 (2017-01-19), losing -6.62%. The number of shares
that changed hands was 2,014,269, or about 2 times the average daily volume
in the stock.
The closing price was $1.27, amounting to a market cap of $695,590,000,
about -38.94% off the highest price in the last 12 months. The stock has
been trading at a range between $0.52 and $2.08.
PGH is in the Oil & Gas Production industry, part of the Energy sector.