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

null (symbol: WBA) was one of the worst losers of the trading day today
(2015-10-28), losing -10.73%. The number of shares that changed hands was
24,337,474, or about 6 times the average daily volume in the stock.
The closing price was $84.95, amounting to a market cap of $92,790,000,000,
about -12.69% off the highest price in the last 12 months. The stock has
been trading at a range between $62.28 and $97.3.
WBA is in the Medical/Nursing Services industry, part of the Health Care
sector.
Looking at its valuation, the stock is now trading at 21.82 times earnings.