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

Universal Display Corporation (symbol: OLED) was one of the worst losers of
the trading day today (2016-08-05), losing -8.01%. The number of shares
that changed hands was 5,356,188, or about 8 times the average daily volume
in the stock.
The closing price was $64.62, amounting to a market cap of $3,030,000,000,
about -13.13% off the highest price in the last 12 months. The stock has
been trading at a range between $32.47 and $74.39.
OLED is in the Electrical Products industry, part of the Capital Goods
sector.
Looking at its valuation, the stock is now trading at 202.57 times earnings.