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 31 January 2026
2017-03-15 08:46:00 Wednesday ET

The heuristic rule of *accumulative advantage* suggests that a small fraction of the population enjoys a large proportion of both capital and wealth creatio
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
2018-01-09 08:33:00 Tuesday ET

BlackRock CEO Larry Fink emphasizes his key conviction that public corporations should make a positive contribution to society apart from boosting the botto
2018-12-22 14:38:00 Saturday ET

Federal Reserve raises the interest rate to the target range of 2.25% to 2.5% as of December 2018. Fed Chair Jerome Powell highlights the dovish interest ra
2019-04-15 08:37:00 Monday ET

Chinese Belt-and-Road funds large international infrastructure investment projects primarily in East Asia, Central Asia, North Africa, and Italy. Chinese Be
2017-10-03 18:39:00 Tuesday ET

President Trump has nominated Jerome Powell to run the Federal Reserve once Fed Chair Janet Yellen's current term expires in February 2018. Trump's