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

Seres Therapeutics, Inc. (symbol: MCRB) was one of the biggest winners of
the trading day today (2016-09-20), gaining 13.31%. The number of shares
that changed hands was 2,457,168, or about 2.0 times the average daily
volume in the stock.
The closing price was $14.22, amounting to a market cap of $572,700,000,
about -68.05% off the highest price in the last 12 months. The stock has
been trading at a range between $8.05 and $44.51.
MCRB is in the n/a industry, part of the n/a sector.