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

Aceto Corporation (symbol: ACET) was one of the worst losers of the trading
day today (2016-08-26), losing -21.53%. The number of shares that changed
hands was 2,619,981, or about 16 times the average daily volume in the
stock.
The closing price was $20.16, amounting to a market cap of $596,430,000,
about -37.39% off the highest price in the last 12 months. The stock has
been trading at a range between $19.2 and $32.2.
ACET is in the Other Pharmaceuticals industry, part of the Health Care
sector.
Looking at its valuation, the stock is now trading at 14.31 times earnings.