The success factors include having at least one major university, a strongly affiliated industry group, access to human capital, and a major catalyst or company which creates new markets and opportunities for other entrepreneurs.
On the earnings front, expect to hear from Affiliated Managers Group (AMG) on Tuesday, Covenant Transportation Group (CVTI) on Wednesday, Atwood Oceanics (ATW) on Thursday, and Health Net (HNT) as well as Aon (AON) on Friday.
Managers 20, distributed by Affiliated Managers Group (nyse: AMG - news - people ), launched in 1998 but enlisted Oak in 2000 to be its subadviser, the hired-gun talent that would make the thing soar.