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

Nordson Corporation (symbol: NDSN) was one of the worst losers of the
trading day today (2015-08-21), losing -12.24%. The number of shares that
changed hands was 1,418,611, or about 7 times the average daily volume in
the stock.
The closing price was $62.44, amounting to a market cap of $3,800,000,000,
about -26.06% off the highest price in the last 12 months. The stock has
been trading at a range between $62.35 and $84.45.
NDSN is in the Industrial Machinery/Components industry, part of the
Capital Goods sector.
Looking at its valuation, the stock is now trading at 16.27 times earnings.