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

Actuant Corporation Common Stoc (symbol: ATU) was one of the worst losers
of the trading day today (2016-06-22), losing -8.8%. The number of shares
that changed hands was 2,538,197, or about 5 times the average daily volume
in the stock.
The closing price was $24.67, amounting to a market cap of $1,450,000,000,
about -10.97% off the highest price in the last 12 months. The stock has
been trading at a range between $17.02 and $27.71.
ATU is in the Industrial Machinery/Components industry, part of the
Technology sector.