Although we don't believe in timing the market or panicking over market movements, we do like to keep an eye on big changes -- just in case they're material to our investing thesis.

What: Shares of Quad/Graphics (Nasdaq: QUAD) rose as much as 10% before closing up 9% on the day. Investors appear to be buying the rebound now that the stock has bounced off Monday's 52-week low.

So what: A mixture of common and Big Money buyers may have driven the gains. Volume closed up 59% with more than 282,000 shares trading hands during the day.

Now what: The timing is also interesting. Quad/Graphics mounted a renewed assault on R.R. Donnelley's (NYSE: RRD) interactive print business with new products unveiled during this week's conference of the Direct Marketing Association. Do you believe Quad/Graphics will be successful? Would you buy shares at current prices? Please weigh in using the comments box below.

Interested in more info on Quad Graphics? Add it to your watchlist.

Fool contributor Tim Beyers is a member of the Motley Fool Rule Breakers stock-picking team. He didn’t own shares in any of the companies mentioned at the time of publication. Check out Tim's portfolio holdings and Foolish writings, or connect with him on Google+ or Twitter, where he goes by @milehighfool. You can also get his insights delivered directly to your RSS reader.

Try any of our Foolish newsletter services free for 30 days. We Fools don't all hold the same opinions, but we all believe that considering a diverse range of insights makes us better investors. The Motley Fool has a disclosure policy.