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

Merit Medical Systems, Inc. (symbol: MMSI) was one of the worst losers of
the trading day today (2015-10-23), losing -25.68%. The number of shares
that changed hands was 3,083,987, or about 8 times the average daily volume
in the stock.
The closing price was $17.91, amounting to a market cap of $790,960,000,
about -32.21% off the highest price in the last 12 months. The stock has
been trading at a range between $13.34 and $26.42.
MMSI is in the Medical/Dental Instruments industry, part of the Health Care
sector.
Looking at its valuation, the stock is now trading at 27.22 times earnings.