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

SpartanNash Company (symbol: SPTN) was one of the worst losers of the
trading day today (2015-08-27), losing -4.64%. The number of shares that
changed hands was 432,354, or about 2 times the average daily volume in the
stock.
The closing price was $28.79, amounting to a market cap of $1,080,000,000,
about -15.05% off the highest price in the last 12 months. The stock has
been trading at a range between $19.16 and $33.89.
SPTN is in the Food Distributors industry, part of the Consumer
Non-Durables sector.
Looking at its valuation, the stock is now trading at 18.23 times earnings.