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

null (symbol: GLPG) was one of the worst losers of the trading day today
(2015-09-25), losing -27.46%. The number of shares that changed hands was
766,109, or about 20 times the average daily volume in the stock.
The closing price was $44.6, amounting to a market cap of $1,730,000,000,
about -32.12% off the highest price in the last 12 months. The stock has
been trading at a range between $42.5 and $65.7.
GLPG is in the Major Pharmaceuticals industry, part of the Health Care
sector. It first went public in 2015.