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

Photronics, Inc. (symbol: PLAB) was one of the worst losers of the trading
day today (2016-11-11), losing -12.56%. The number of shares that changed
hands was 2,681,865, or about 8 times the average daily volume in the stock.
The closing price was $9.4, amounting to a market cap of $640,950,000,
about -27.97% off the highest price in the last 12 months. The stock has
been trading at a range between $8.2 and $13.05.
PLAB is in the Semiconductors industry, part of the Technology sector. It
first went public in 1987.
Looking at its valuation, the stock is now trading at 11.53 times earnings.