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 29 November 2025
2018-06-17 10:35:00 Sunday ET

In the past decades, capital market liberalization and globalization have combined to connect global financial markets to allow an ocean of money to flow th
2019-06-17 11:25:00 Monday ET

To secure better economic arrangements with European Union, Jeremy Corbyn encourages Labour legislators to back a second referendum on Brexit. In recent tim
2023-11-21 11:32:00 Tuesday ET

Nobel Laureate Paul Milgrom explains the U.S. incentive auction of wireless spectrum allocation from TV broadcasters to telecoms. Paul Milgrom (2019)
2023-06-07 10:27:00 Wednesday ET

Anat Admati and Martin Hellwig raise broad critical issues about bank capital regulation and asset market stabilization. Anat Admati and Martin Hellwig (
2018-01-21 07:25:00 Sunday ET

As he refrains from using the memorable phrase *irrational exuberance* to assess bullish investor sentiments, former Fed chairman Alan Greenspan discerns as
2018-09-17 12:40:00 Monday ET

Nobel Laureate Robert Shiller's long-term stock market indicator points to a recent peak. His cyclically-adjusted P/E ratio (or CAPE) accounts for long-