Apple has taken the number one spot in BusinessWeek’s list of the 50 top-performing companies. Of Apple, BusinessWeek says: “All those little white earbuds are a bona fide cultural phenomenon — and serious business for Apple. Booming sales of its iPod music players have propelled the Cupertino (Calif.) icon to the top of our list of the best corporate performers. Apple shows few signs of slowing down. Of the 42 million iPods sold since the line was introduced five years ago, 32 million were sold in 2005, including 14 million in a killer Christmas quarter.”