Market Update: AT&T (NYSE:T), Amazon (NASDAQ:AMZN), Google (NASDAQ:GOOG), Berkshire Hathaway (NYSE:BRK.A)

AT&T (NYSE:T) said Monday morning that it will begin selling the Amazon Kindle e-reading device out of its retail stores on March 6. The move will include the 3G version of the Kindle; Amazon (NASDAQ:AMZN) sells a cheaper version that just uses WiFi networks. AT&T provides connectivity service for the 3G Kindle as well . . . → Read More: Market Update: AT&T (NYSE:T), Amazon (NASDAQ:AMZN), Google (NASDAQ:GOOG), Berkshire Hathaway (NYSE:BRK.A)