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 17 January 2026
2017-02-19 07:41:00 Sunday ET

In his recent book on personal finance, Tony Robbins recommends that each investor should rebalance his or her investment portfolio *only once a year* to in
2018-06-09 16:40:00 Saturday ET

The Trump administration introduces new tariffs on $50 billion Chinese goods amid the persistent bilateral trade dispute. The tariffs effectively boost cost
2019-02-21 12:37:00 Thursday ET

Apple shakes up senior leadership to initiate a new transition from iPhone revenue reliance to media and software services. These changes include the key pr
2019-03-29 12:28:00 Friday ET

Federal Reserve Chair Jerome Powell answers CBS News 60 Minutes questions about the recent U.S. economic outlook and interest rate cycle. Powell views the c
2018-08-01 11:43:00 Wednesday ET

Apple becomes the first company to hit $1 trillion stock market valuation. The tech titan sells about the same number of smart phones or 41 million iPhones
2019-06-03 11:31:00 Monday ET

The Sino-U.S. trade war may be the Thucydides trap or a clash of Caucasian and non-Caucasian civilizations. The proverbial Thucydides trap refers to the his