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

Momenta Pharmaceuticals, Inc. (symbol: MNTA) was one of the biggest winners
of the trading day today (2016-08-24), gaining 11.33%. The number of shares
that changed hands was 2,856,684, or about 6.2 times the average daily
volume in the stock.
The closing price was $13.36, amounting to a market cap of $916,460,000,
about -35.08% off the highest price in the last 12 months. The stock has
been trading at a range between $7.86 and $20.58.
MNTA is in the Biotechnology: Biological Products (No Diagnostic
Substances) industry, part of the Health Care sector. It first went public
in 2004.