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

R.R. Donnelley & Sons Company C (symbol: RRD) was one of the worst losers
of the trading day today (2016-10-05), losing -4.59%. The number of shares
that changed hands was 3,330,219, or about 1 times the average daily volume
in the stock.
The closing price was $22.47, amounting to a market cap of $4,710,000,000,
about -8.81% off the highest price in the last 12 months. The stock has
been trading at a range between $12.07 and $24.64.
RRD is in the Publishing industry, part of the Miscellaneous sector.
Looking at its valuation, the stock is now trading at 42.56 times earnings.