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 4 April 2026
2020-06-03 09:31:00 Wednesday ET

Lean enterprises often try to incubate disruptive innovations with iterative continuous improvements and inventions over time. Trevor Owens and Obie Fern
2022-11-05 11:32:00 Saturday ET

CEO overconfidence and corporate performance Malmendier and Tate (JFE 2008, JF 2005) argue that overconfident CEOs are more likely to initiate mergers an
2018-03-11 08:27:00 Sunday ET

At 89 years old, Hong Kong billionaire Li Ka-Shing announces his retirement in March 2018. With a personal net worth of $35 billion, Li has an incredible ra
2025-06-21 05:25:00 Saturday ET

President Trump refreshes American fiscal fears, worries, and concerns through the One Big Beautiful Bill Act. The Congressional Budget Office (CBO) estimat
2018-05-01 11:38:00 Tuesday ET

America and China play the game of chicken over trade and technology, whereas, most market observers and economic media commentators hope the Trump team to
2018-11-13 12:30:00 Tuesday ET

President Trump promises a great trade deal with China as Americans mull over mid-term elections. President Trump wants to reach a trade accord with Chinese