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

KLA-Tencor Corporation (symbol: KLAC) was one of the worst losers of the
trading day today (2016-08-10), losing -10.26%. The number of shares that
changed hands was 7,367,668, or about 8 times the average daily volume in
the stock.
The closing price was $69.47, amounting to a market cap of $10,840,000,000,
about -10.76% off the highest price in the last 12 months. The stock has
been trading at a range between $44.95 and $77.85.
KLAC is in the Electronic Components industry, part of the Capital Goods
sector. It first went public in 1980.
Looking at its valuation, the stock is now trading at 15.47 times earnings.