SPOTLIGHT: RadioShack vs. Wal-Mart, BestBuy

Consumers buy nearly 65 percent of mobile phones directly from the carriers in the U.S. at their 7,000 retail locations, but the battle is on for the second biggest slice of the mobile phone retail market as RadioShack continues to lose market share to comers Best Buy and Wal-Mart. The deathknell for RadioShack could have been Cingular/AT&T's announcement that the iPhone would only be made available at the carrier's retail locations and Apple stores. Article