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

Signet Jewelers Limited Common (symbol: SIG) was one of the worst losers of
the trading day today (2016-05-26), losing -10.49%. The number of shares
that changed hands was 9,944,613, or about 8 times the average daily volume
in the stock.
The closing price was $97.0, amounting to a market cap of $7,600,000,000,
about -36.3% off the highest price in the last 12 months. The stock has
been trading at a range between $93.45 and $152.27.
SIG is in the Consumer Specialties industry, part of the Consumer Services
sector.
Looking at its valuation, the stock is now trading at 16.52 times earnings.