Duolingo Inc. provides mobile language learning platform. Duolingo Inc. is based in PITTSBURGH....
+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 11 April 2026
2025-06-05 00:00:00 Thursday ET

Former New York Times team journalist and Pulitzer Prize winner Charles Duhigg describes, discusses, and delves into how we can change our respective lives
2019-03-09 12:43:00 Saturday ET

Pinterest files a $12 billion IPO due in mid-2019. This tech unicorn allows users to pin-and-browse images through its social media app and website. Pintere
2018-01-23 06:38:00 Tuesday ET

Amazon, Berkshire Hathaway, and JPMorgan Chase establish a new company to reduce U.S. employee health care costs in negotiations with drugmakers, doctors, a
2020-09-10 08:31:00 Thursday ET

Most business organizations should continue to create new value in order to achieve long-run success and sustainable profitability. Todd Zenger (2016)
2019-02-17 14:40:00 Sunday ET

U.S. economic inequality increases to pre-Great-Depression levels. U.C. Berkeley economics professor Gabriel Zucman empirically finds that the top 0.1% rich
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.