Today Standard & Poor's changed Amazon.com's rating to "investment grade" based on the company's recent increase in earnings. Reuters explains: "The outlook is stable, indicating an additional rating change is not anticipated over the next one-to-two years."

Inspired by FishbowlNY's Media Stocks feature, GalleyCat has been tracking the stock performance of the major companies that influence the bookselling business. We created this chart with eight publicly-traded publishing stocks hand-picked by GalleyCat readers--including company name, abbreviation, and price increase or decrease at the week's close.

The McGraw-Hill Co. MHP 23.87 -0.83
Books-A-Million, Inc. BAMM 2.62 0.02
Borders Group, Inc. BGP 0.54 0.02
Amazon.com, Inc. AMZN 63.26 -0.7
Barnes & Noble, Inc. BKS 17.24 -0.39
Wiley John & Sons Inc. JW.A 36.31 -0.01
Scholastic Corporation SCHL 11.07 -0.19
News Corporation NWS 7.23 -0.01