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

Natus Medical Incorporated (symbol: BABY) was one of the worst losers of
the trading day today (2016-01-11), losing -11.46%. The number of shares
that changed hands was 1,395,911, or about 5 times the average daily volume
in the stock.
The closing price was $38.25, amounting to a market cap of $1,240,000,000,
about -25.07% off the highest price in the last 12 months. The stock has
been trading at a range between $29.34 and $51.05.
BABY is in the Biotechnology: Electromedical & Electrotherapeutic Apparatus
industry, part of the Health Care sector. It first went public in 2001.
Looking at its valuation, the stock is now trading at 31.64 times earnings.