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

Genesis Healthcare, Inc. Common (symbol: GEN) was one of the worst losers
of the trading day today (2015-12-31), losing -5.45%. The number of shares
that changed hands was 327,449, or about 2 times the average daily volume
in the stock.
The closing price was $3.47, amounting to a market cap of $532,830,000,
about -62.77% off the highest price in the last 12 months. The stock has
been trading at a range between $3.38 and $9.32.
GEN is in the Hospital/Nursing Management industry, part of the Health Care
sector.