The Cigna Group, together with its subsidiaries, provides insurance and related products and services principally in the United States. The Cigna Group, formerly known as Cigna Corporation, is based in Bloomfield, Connecticut....
+See MoreSharpe-Lintner-Black CAPM alpha (Premium Members Only) Fama-French (1993) 3-factor alpha (Premium Members Only) Fama-French-Carhart 4-factor alpha (Premium Members Only) Fama-French (2015) 5-factor alpha (Premium Members Only) Fama-French-Carhart 6-factor alpha (Premium Members Only) Dynamic conditional 6-factor alpha (Premium Members Only) Last update: Saturday 11 July 2026
2020-09-17 12:28:00 Thursday ET

Many successful business organizations develop their distinctive capabilities and unique value propositions for strategic reasons. Paul Leinwand and Cesa
2020-08-05 08:33:00 Wednesday ET

Business leaders often think from a systemic perspective, share bold visions, build great teams, and learn new business models. Peter Senge (2006) &nb
2018-07-05 13:40:00 Thursday ET

U.S. trading partners such as the European Union, Canada, China, Japan, Mexico, and Russia voice their concern at the World Trade Organization (WTO) in ligh
2019-10-11 13:40:00 Friday ET

Apple CEO Tim Cook maintains a frugal low-key lifestyle. With $625 million public wealth, Cook leads the $1 trillion tech titan Apple in the post-Jobs era.
2026-05-01 11:26:00 Friday ET

Stephen Covey describes the 7 key habits and life principles for us to better solve both personal problems and professional challenges. In a smarter way, we
2020-09-24 10:26:00 Thursday ET

Edge strategies help business leaders improve core products and services in a more cost-effective and less risky way. Alan Lewis and Dan McKone (2016)