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

Monro Muffler Brake, Inc. (symbol: MNRO) was one of the worst losers of the
trading day today (2017-02-01), losing -6.68%. The number of shares that
changed hands was 775,071, or about 2 times the average daily volume in the
stock.
The closing price was $55.9, amounting to a market cap of $1,810,000,000,
about -24.32% off the highest price in the last 12 months. The stock has
been trading at a range between $52.05 and $73.86.
MNRO is in the Automotive Aftermarket industry, part of the Consumer
Services sector. It first went public in 1991.
Looking at its valuation, the stock is now trading at 29.47 times earnings.