Plantronics is a global leader in audio communications for businesses and consumers. They have pioneered new trends in audio technology for 50 years, creating innovative products that allow people to simply communicate. From unified communication solutions to Bluetooth' headsets, they deliver uncompromising quality, an ideal experience, and extraordinary service. Plantronics is used by every company in the Fortune 100, as well as 911 dispatch, air traffic control and the New York Stock Exchange....
+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 28 February 2026
2022-02-25 00:00:00 Friday ET

Empirical tests of multi-factor models for asset return prediction The capital asset pricing model (CAPM) of Sharpe (1964), Lintner (1965), and Bla
2019-06-27 10:39:00 Thursday ET

Berkeley tax economists Gabriel Zucman and Emmanuel Saez find fresh insights into wealth inequality in America. Their latest estimates show that the top 0.1
2018-08-09 16:36:00 Thursday ET

President Trump applies an increasingly bellicose stance toward the Iranian leader Hassan Rouhani as he rejects a global agreement to curb Iran's nuclea
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President Donald Trump blames China for the long prevalent U.S. trade deficits and several other social and economic deficiencies. In recent years, Pres
2019-08-22 11:35:00 Thursday ET

Fundamental factors often reflect macroeconomic innovations and so help inform better stock investment decisions. Nobel Laureate Eugene Fama and his long-ti
2019-12-19 14:43:00 Thursday ET

JPMorgan Chase CEO Jamie Dimon views wealth inequality as a major economic problem in America. Dimon now warns that the rich Americans have been getting wea