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 26 September 2026

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White House economic advisor Gary Cohn resigns due to his opposition to President Trump's protectionist tariff stance.

Peter Prince

2018-03-02 12:34:00 Friday ET

White House economic advisor Gary Cohn resigns due to his opposition to President Trump's protectionist tariff stance.

White House top economic advisor Gary Cohn resigns due to his opposition to President Trump's recent protectionist decision on steel and aluminum tariff

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Disruptive innovators compete against luck by figuring out why customers hire products and services to accomplish specific jobs.

John Fourier

2020-05-14 12:35:00 Thursday ET

Disruptive innovators compete against luck by figuring out why customers hire products and services to accomplish specific jobs.

Disruptive innovators can better compete against luck by figuring out why customers hire products and services to accomplish jobs. Clayton Christensen, T

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U.S. Treasury's proposal for financial deregulation aims to remove key aspects of the Dodd-Frank Act.

Rose Prince

2017-08-25 13:36:00 Friday ET

U.S. Treasury's proposal for financial deregulation aims to remove key aspects of the Dodd-Frank Act.

The U.S. Treasury's June 2017 grand proposal for financial deregulation aims to remove several aspects of the Dodd-Frank Act 2010 such as annual macro s

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Scientific research trumps basic intuition and common sense.

Amy Hamilton

2019-08-30 11:35:00 Friday ET

Scientific research trumps basic intuition and common sense.

The conventional wisdom suggests that chameleons change their skin coloration to camouflage their presence for survival through Darwinian biological evoluti

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The Trump fiscal trifecta of lower income taxation, new infrastructure, and deregulation has yet to run its natural course.

Becky Berkman

2017-04-25 06:35:00 Tuesday ET

The Trump fiscal trifecta of lower income taxation, new infrastructure, and deregulation has yet to run its natural course.

This nice and clear infographic visualization helps us better decipher the main memes and themes of President Donald Trump's first 100 days in office.

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President Trump seeks to honor his campaign promise of lower U.S. medical costs by forcing higher big-pharma prices in foreign countries.

Charlene Vos

2018-05-07 07:32:00 Monday ET

President Trump seeks to honor his campaign promise of lower U.S. medical costs by forcing higher big-pharma prices in foreign countries.

President Trump seeks to honor his campaign promise of lower U.S. medical costs by forcing higher big-pharma prices in foreign countries such as Canada, Bri

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