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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 10 October 2026

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Carol Dweck describes, discusses, and delves into the scientific reasons why the growth mindset often helps motivate individuals, teams, and managers to accomplish more with greater grit, focus, and resilience.

Dan Rochefort

2025-05-21 04:27:10 Wednesday ET

Carol Dweck describes, discusses, and delves into the scientific reasons why the growth mindset often helps motivate individuals, teams, and managers to accomplish more with greater grit, focus, and resilience.

Carol Dweck describes, discusses, and delves into the scientific reasons why the growth mindset often helps motivate individuals, teams, and managers to acc

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Basic income reforms can contribute to better health care, infrastructure, education, technology, and residential protection.

Daisy Harvey

2023-02-28 10:27:00 Tuesday ET

Basic income reforms can contribute to better health care, infrastructure, education, technology, and residential protection.

Basic income reforms can contribute to better health care, public infrastructure, education, technology, and residential protection. Philippe Van Parijs

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New Keynesian monetary policy framework

Monica McNeil

2023-09-21 09:26:00 Thursday ET

New Keynesian monetary policy framework

Jordi Gali delves into the science of the New Keynesian monetary policy framework with economic output and inflation stabilization. Jordi Gali (2015)

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Facebook CEO Mark Zuckerberg testifies in Congress to rise up to the challenge of public outrage.

Rose Prince

2018-04-07 09:36:00 Saturday ET

Facebook CEO Mark Zuckerberg testifies in Congress to rise up to the challenge of public outrage.

Facebook CEO Mark Zuckerberg testifies in Congress to rise up to the challenge of public outrage in response to the Cambridge Analytica data debacle and use

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Angus Deaton analyzes the correlation between health and wealth in light of the economic origins of inequality worldwide.

James Campbell

2023-04-21 12:39:00 Friday ET

Angus Deaton analyzes the correlation between health and wealth in light of the economic origins of inequality worldwide.

Angus Deaton analyzes the correlation between health and wealth in light of the economic origins of inequality worldwide. Angus Deaton (2015)  

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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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