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

ProShares UltraPro Short NASDAQ (symbol: ZBIO) was one of the worst losers
of the trading day today (2017-01-03), losing -5.79%. The number of shares
that changed hands was 37,375, or about 0 times the average daily volume in
the stock.
The closing price was $22.6, amounting to a market cap of $6,780,000,000,
about -55.64% off the highest price in the last 12 months. The stock has
been trading at a range between $18.06 and $50.95.
ZBIO is in the n/a industry, part of the n/a sector.