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

Wayfair Inc. Class A Common Sto (symbol: W) was one of the worst losers of
the trading day today (2016-12-26), losing -3.16%. The number of shares
that changed hands was 1,210,789, or about 1 times the average daily volume
in the stock.
The closing price was $35.25, amounting to a market cap of $3,020,000,000,
about -29.5% off the highest price in the last 12 months. The stock has
been trading at a range between $27.6 and $50.0.
W is in the Catalog/Specialty Distribution industry, part of the Consumer
Services sector. It first went public in 2014.