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 10 October 2026
2019-10-11 13:40:00 Friday ET

Apple CEO Tim Cook maintains a frugal low-key lifestyle. With $625 million public wealth, Cook leads the $1 trillion tech titan Apple in the post-Jobs era.
2019-04-01 08:28:00 Monday ET

OraSure and its subsidiary DNA Genotek specialize in the lean production of home DNA spit tubes. OraSure extracts core genetic information from microbiome s
2019-05-02 13:30:00 Thursday ET

Netflix has an unsustainable business model in the meantime. Netflix maintains a small premium membership fee of $9-$14 per month for its unique collection
2020-09-15 08:38:00 Tuesday ET

Macro eigenvalue volatility helps predict some recent episodes of high economic policy uncertainty, recession risk, or rare events such as the recent rampan
2019-09-25 15:33:00 Wednesday ET

Product market competition and online e-commerce help constrain money supply growth with low inflation. Key e-commerce retailers such as Amazon, Alibaba, an
2019-03-17 14:35:00 Sunday ET

U.S. trade rep Robert Lighthizer proposes America to require regular touchpoints to ensure Sino-U.S. trade deal enforcement. America has to maintain the thr