Twitter is a public, real-time, global platform where any user can create a Tweet and any user can follow other users. The platform is unique in its simplicity: Tweets are limited to 140 characters of text. This constraint makes it easy for anyone to quickly create, distribute and discover content that is consistent across our platform and optimized for mobile devices. As a result, Tweets drive a high velocity of information exchange that makes Twitter uniquely `live`....
+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 15 August 2026
2019-01-03 10:38:00 Thursday ET

American parents often worry about money and upward mobility for their children. A recent New York Times survey suggests that nowadays American parents spen
2019-05-15 12:32:00 Wednesday ET

The May administration needs to seek a fresh fallback option for Halloween Brexit. After the House of Commons rejects Brexit proposals from the May administ
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
2016-11-08 00:00:00 Tuesday ET

Donald Trump defies the odds to become the new U.S. president. He wants to make America great again. He seeks to repeal Obamacare. He has zero tole
2026-07-01 11:29:00 Wednesday ET

In recent years, higher American economic growth has been impressive both by historical standards and in comparison to the rest of the world. American excep
2019-01-29 10:33:00 Tuesday ET

Global trade transforms from labor cost arbitrage to high-skill knowledge work. In fact, multinational manufacturers have been trying to create global suppl