Welcome to the 42nd installment of The Wal-Mart Weekly, a column dedicated to bringing you insight, wit, facts, results, opinions and just a bit of everything else when it comes down to a very hot topic these days: Wal-Mart.
Last week, I looked at how Best Buy Co., Inc. (NYSE: BBY) competes against Wal-Mart Stores, Inc. (NYSE: WMT) locations. Best Buy seemed to have the edge when it came to low prices on items like flat-panel televisions and laptop PCs this holiday season, and in my opinion, Wal-Mart's allure to the consumer electronics shopper is not growing despite attempts to beef up that department in Wal-Mart locations.
This week, I'll peer into this year and look at what has gone right and what has gone wrong for the world's largest retailer. 2007 was an odd year for Wal-Mart from many angles, and 2008 promises to be every bit as captivating for the world's largest retailer in the global markets it serves. So, let's dig in.
Technology continues to evolve faster than most of us can follow -- if you blink, you might miss the next-best thing and find yourself surrounded by obsolete devices. My pale-pink iPod Mini is less than 3 years old and already worthy of mockery -- and don't get me started on my embarrassingly large collection of single tapes. MP-what? 
Tesla Roadster sets a record -- travels 313 miles on a single charge
Cramer on BloggingStocks: China's industrial focus helps lots of U.S. names 
Why do we have a weak dollar?
