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

MTS Systems Corporation (symbol: MTSC) was one of the worst losers of the
trading day today (2016-04-06), losing -12.11%. The number of shares that
changed hands was 779,079, or about 8 times the average daily volume in the
stock.
The closing price was $52.06, amounting to a market cap of $768,510,000,
about -32.11% off the highest price in the last 12 months. The stock has
been trading at a range between $48.64 and $76.68.
MTSC is in the Industrial Machinery/Components industry, part of the
Capital Goods sector.
Looking at its valuation, the stock is now trading at 18.09 times earnings.