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

Tractor Supply Company (symbol: TSCO) was one of the worst losers of the
trading day today (2016-09-08), losing -16.94%. The number of shares that
changed hands was 18,167,795, or about 16 times the average daily volume in
the stock.
The closing price was $69.38, amounting to a market cap of $9,270,000,000,
about -28.66% off the highest price in the last 12 months. The stock has
been trading at a range between $69.27 and $97.25.
TSCO is in the RETAIL: Building Materials industry, part of the Consumer
Services sector. It first went public in 1994.
Looking at its valuation, the stock is now trading at 22.25 times earnings.