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

MacroGenics, Inc. (symbol: MGNX) was one of the worst losers of the trading
day today (2016-12-14), losing -15.41%. The number of shares that changed
hands was 1,229,024, or about 5 times the average daily volume in the stock.
The closing price was $19.81, amounting to a market cap of $690,080,000,
about -40.51% off the highest price in the last 12 months. The stock has
been trading at a range between $14.84 and $33.3.
MGNX is in the Major Pharmaceuticals industry, part of the Health Care
sector. It first went public in 2013.