$MDCO is one of biggest winner #stocks today. read more:

The Medicines Company (symbol: MDCO) was one of the biggest winners of the
trading day today (2016-01-20), gaining 14.44%. The number of shares that
changed hands was 7,244,971, or about 6.4 times the average daily volume in
the stock.
The closing price was $36.06, amounting to a market cap of $2,420,000,000,
about -17.65% off the highest price in the last 12 months. The stock has
been trading at a range between $25.05 and $43.79.
MDCO is in the Major Pharmaceuticals industry, part of the Health Care
sector. It first went public in 2000.