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

Quad Graphics, Inc Class A Comm (symbol: QUAD) was one of the worst losers
of the trading day today (2016-07-15), losing -5.21%. The number of shares
that changed hands was 641,796, or about 2 times the average daily volume
in the stock.
The closing price was $25.11, amounting to a market cap of $1,250,000,000,
about -7.58% off the highest price in the last 12 months. The stock has
been trading at a range between $7.32 and $27.17.
QUAD is in the Publishing industry, part of the Miscellaneous sector.