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

II-VI Incorporated (symbol: IIVI) was one of the worst losers of the
trading day today (2016-04-27), losing -10.24%. The number of shares that
changed hands was 926,994, or about 3 times the average daily volume in the
stock.
The closing price was $20.77, amounting to a market cap of $1,270,000,000,
about -11.2% off the highest price in the last 12 months. The stock has
been trading at a range between $15.04 and $23.39.
IIVI is in the Electronic Components industry, part of the Capital Goods
sector. It first went public in 1987.
Looking at its valuation, the stock is now trading at 19.23 times earnings.