Thanks to new management and business strategies, these five companies' stocks have had remarkable turnarounds this year.
Turnarounds at Dell, HP, and Yahoo generate more headlines than fast results. And then there's Best Buy -- lower-profile but showing progress against all odds.
A surge in mobile devices is helping offset the decline of desktop computers.
Every bloodthirsty, militaristic first-person shooter video game needs an enemy -- but it's not always clear who that should be.
Shares of Best Buy have more than doubled this year. An analyst upgraded it to a buy Monday. But the still struggling retailer's turnaround will take time.
