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

Lexicon Pharmaceuticals, Inc. (symbol: LXRX) was one of the worst losers of
the trading day today (2016-12-21), losing -6.74%. The number of shares
that changed hands was 1,688,403, or about 3 times the average daily volume
in the stock.
The closing price was $15.23, amounting to a market cap of $1,580,000,000,
about -22.38% off the highest price in the last 12 months. The stock has
been trading at a range between $7.65 and $19.62.
LXRX is in the Major Pharmaceuticals industry, part of the Health Care
sector.