Boardroom battles and power plays shaped this year's U.S. list, which boasts eight new faces and - surprise! - a new No. 1.
|Euro slips after anti-austerity party wins Greek elections|
|Premarkets: 4 things to know before the open|
|Google is becoming a wireless carrier|
|2015: The global economy's 'sink or swim' moment|
|Greece elections: Have 5 years of austerity paid off?|