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

Shutterfly, Inc. (symbol: SFLY) was one of the worst losers of the trading
day today (2016-09-21), losing -12.44%. The number of shares that changed
hands was 5,249,987, or about 19 times the average daily volume in the
stock.
The closing price was $44.2, amounting to a market cap of $1,500,000,000,
about -19.05% off the highest price in the last 12 months. The stock has
been trading at a range between $35.22 and $54.6.
SFLY is in the Other Consumer Services industry, part of the Miscellaneous
sector. It first went public in 2006.
Looking at its valuation, the stock is now trading at 70.16 times earnings.