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

Party City Holdco Inc. Common S (symbol: PRTY) was one of the worst losers
of the trading day today (2016-12-23), losing -4.05%. The number of shares
that changed hands was 408,781, or about 1 times the average daily volume
in the stock.
The closing price was $14.2, amounting to a market cap of $1,700,000,000,
about -25.65% off the highest price in the last 12 months. The stock has
been trading at a range between $7.53 and $19.1.
PRTY is in the Other Specialty Stores industry, part of the Consumer
Services sector. It first went public in 2015.
Looking at its valuation, the stock is now trading at 14.55 times earnings.