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 16 May 2026
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As the TV host of Mad Money, Jim Cramer provides 5 key reasons against the purchase and use of cryptocurrencies such as Bitcoin. First, no one knows the ano
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.
2018-08-23 11:34:00 Thursday ET

Harvard financial economist Alberto Cavallo empirically shows the recent *Amazon effect* that online retailers such as Amazon, Alibaba, and eBay etc use fas
2020-04-03 09:28:00 Friday ET

The Intel trinity of Robert Noyce, Gordon Moore, and Andy Grove establishes the primary semiconductor tech titan in Silicon Valley. Michael Malone (2014)
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Apple adds fresh features to its new iPad Pro and MacBook Air in addition to its prior suite of iPhone XS, iPhone XS Max, and iPhone XR back in September 20
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Is higher stock market concentration good or bad for Corporate America? In recent years, S&P 500 stock market returns exhibit spectacular concentrati