$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 (2016-02-23), losing -10.39%. The number of shares that changed
hands was 214,816, or about 1 times the average daily volume in the stock.
The closing price was $15.69, amounting to a market cap of $538,360,000,
about -60.68% off the highest price in the last 12 months. The stock has
been trading at a range between $14.84 and $39.9.
MGNX is in the Major Pharmaceuticals industry, part of the Health Care
sector. It first went public in 2013.