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

Laboratory Corporation of Ameri (symbol: LH) was one of the worst losers of
the trading day today (2016-10-26), losing -8.63%. The number of shares
that changed hands was 3,991,360, or about 6 times the average daily volume
in the stock.
The closing price was $126.46, amounting to a market cap of
$12,940,000,000, about -10.52% off the highest price in the last 12 months.
The stock has been trading at a range between $97.79 and $141.32.
LH is in the Medical Specialities industry, part of the Health Care sector.
Looking at its valuation, the stock is now trading at 21.0 times earnings.