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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 22 August 2026

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Corporate payout management

Fiona Sydney

2022-05-05 09:34:00 Thursday ET

Corporate payout management

Corporate payout management This corporate payout literature review rests on the recent survey article by Farre-Mensa, Michaely, and Schmalz (2014). Out

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Andy Yeh Alpha (AYA) fintech network platform: major milestones, key product features, and online social media services

Joseph Corr

2026-01-19 10:30:00 Monday ET

Andy Yeh Alpha (AYA) fintech network platform: major milestones, key product features, and online social media services

  Andy Yeh Alpha (AYA) fintech network platform: major milestones, key product features, and online social media services   Introduction

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Tax policy pluralism for addressing special interests

Monica McNeil

2023-12-08 08:28:00 Friday ET

Tax policy pluralism for addressing special interests

Tax policy pluralism for addressing special interests Economists often praise as pluralism the interplay of special interest groups in public policy. In

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Just Capital issues a new report in support of the stakeholder value proposition in recent times.

Amy Hamilton

2018-06-05 07:36:00 Tuesday ET

Just Capital issues a new report in support of the stakeholder value proposition in recent times.

Just Capital issues a new report in support of the stakeholder value proposition in recent times. U.S. corporations that perform best on key priorities such

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Thomas Sowell argues that some economic reforms inadvertently exacerbate economic disparities.

Daisy Harvey

2023-11-14 08:24:00 Tuesday ET

Thomas Sowell argues that some economic reforms inadvertently exacerbate economic disparities.

Thomas Sowell argues that some economic reforms inadvertently exacerbate economic disparities. Thomas Sowell (2019)   Discrimination and econo

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White House chief economic adviser Larry Kudlow points out that the recent U.S. dollar strength shows a clear sign of investor optimism.

James Campbell

2018-08-13 12:39:00 Monday ET

White House chief economic adviser Larry Kudlow points out that the recent U.S. dollar strength shows a clear sign of investor optimism.

White House chief economic adviser Larry Kudlow points out that the recent U.S. dollar strength shows a clear sign of investor confidence and optimism. Gree

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