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 22 August 2026
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
2017-11-05 09:45:00 Sunday ET

President Trump criticizes the potential media merger between AT&T and Time Warner, the latter of which owns the anti-Trump media network CNN. President
2019-10-03 17:39:00 Thursday ET

President Trump indicates that he would consider an interim Sino-American trade deal in lieu of a full trade agreement. The Trump administration defers high
2018-03-19 10:37:00 Monday ET

Uber's autonomous car causes the first known pedestrian fatality from a driverless vehicle and thus sets off the alarm bell for artificial intelligence.
2017-11-19 08:37:00 Sunday ET

In 2000, a former law professor at Harvard proposed establishing the Financial Product Safety Commission in order to protect consumer rights in the provisio
2018-12-07 11:35:00 Friday ET

Fed Chair Jerome Powell hints slower interest rate increases because the current rate is just below the neutral threshold. NYSE and NASDAQ share prices rebo