Tortoise Acquisition Corp. (NYSE:SHLL)

Real-time price: | Most recent change:0.00%

Tortoise Acquisition Corp. is a blank check company. It aims to acquire one or more businesses and assets, via a merger, capital stock exchange, asset acquisition, stock purchase or reorganization. Tortoise Acquisition Corp. is based in New York, United States....

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Here we provide our AYA proprietary alpha stock signals for all premium members on our AYA fintech network platform. Specifically, a high Fama-French multi-factor dynamic conditional alpha suggests that the stock is likely to consistently outperform the broader stock market benchmarks such as S&P 500, Dow Jones, Nasdaq, Russell 3000, MSCI USA, and MSCI World etc. Since March 2023, our proprietary alpha stock signals retain U.S. Patent and Trademark Office (USPTO) fintech patent protection, approval, and accreditation for 20 years. Our homepage and blog articles provide more details on this proprietary alpha stock market investment model with robust long-term historical backtest evidence.

Sharpe-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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We can learn much from the frugal habits and lifestyles of several billionaires.

Joseph Corr

2016-10-01 00:00:00 Saturday ET

We can learn much from the frugal habits and lifestyles of several billionaires.

We can learn much from the frugal habits and lifestyles of several billionaires on earth. Warren Buffett, Chairman and CEO of Berkshire Hathaway, still l

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Fed Chair Jerome Powell sees a remarkably positive outlook for the U.S. economy in early-October 2018.

Charlene Vos

2018-10-03 11:37:00 Wednesday ET

Fed Chair Jerome Powell sees a remarkably positive outlook for the U.S. economy in early-October 2018.

Fed Chair Jerome Powell sees a remarkably positive outlook for the U.S. economy right after the recent interest rate hike as of September 2018. He humbly su

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Michael Woodford provides the theoretical foundations of monetary policy rules in ever more efficient financial markets.

Fiona Sydney

2023-09-07 11:30:00 Thursday ET

Michael Woodford provides the theoretical foundations of monetary policy rules in ever more efficient financial markets.

Michael Woodford provides the theoretical foundations of monetary policy rules in ever more efficient financial markets. Michael Woodford (2003)  

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BlackRock CEO Larry Fink suggests that corporations should make a positive contribution to society apart from boosting the bottomline.

Olivia London

2018-01-09 08:33:00 Tuesday ET

BlackRock CEO Larry Fink suggests that corporations should make a positive contribution to society apart from boosting the bottomline.

BlackRock CEO Larry Fink emphasizes his key conviction that public corporations should make a positive contribution to society apart from boosting the botto

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Pinterest files a $12 billion IPO due in mid-2019.

Laura Hermes

2019-03-09 12:43:00 Saturday ET

Pinterest files a $12 billion IPO due in mid-2019.

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

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Mark Zuckerberg develops Facebook as a social network platform to help empower global connections among family and friends.

Amy Hamilton

2020-02-12 09:31:00 Wednesday ET

Mark Zuckerberg develops Facebook as a social network platform to help empower global connections among family and friends.

Mark Zuckerberg develops Facebook as a social network platform to help empower global connections among family and friends. David Kirkpatrick (2011) T

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