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

Ligand Pharmaceuticals Incorpor (symbol: LGND) was one of the worst losers
of the trading day today (2016-09-27), losing -11.89%. The number of shares
that changed hands was 2,828,618, or about 7 times the average daily volume
in the stock.
The closing price was $99.64, amounting to a market cap of $2,080,000,000,
about -28.72% off the highest price in the last 12 months. The stock has
been trading at a range between $79.66 and $139.79.
LGND is in the Major Pharmaceuticals industry, part of the Health Care
sector.
Looking at its valuation, the stock is now trading at 9.4 times earnings.