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 1 November 2025

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President Trump announces the new trilateral trade agreement among America, Canada, and Mexico.

Chanel Holden

2018-10-01 07:33:00 Monday ET

President Trump announces the new trilateral trade agreement among America, Canada, and Mexico.

President Trump announces the new trilateral trade agreement among America, Canada, and Mexico: the U.S.-Mexico-Canada Agreement (USMCA) replaces and revamp

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Financial institutions benefit from higher equity risk premiums and interest rate spreads.

Charlene Vos

2017-04-01 06:40:00 Saturday ET

Financial institutions benefit from higher equity risk premiums and interest rate spreads.

With the current interest rate hike, large banks and insurance companies are likely to benefit from higher equity risk premiums and interest rate spreads.

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Personal finance and investment author Thomas Corley studies and shares the rich habits of self-made millionaires.

Charlene Vos

2018-03-23 08:26:00 Friday ET

Personal finance and investment author Thomas Corley studies and shares the rich habits of self-made millionaires.

Personal finance and investment author Thomas Corley studies and shares the rich habits of self-made millionaires. Corley has spent 5 years studying the dai

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President Trump refreshes American fiscal fears and sovereign debt concerns through the One Big Beautiful Bill Act.

Jacob Miramar

2025-06-21 05:25:00 Saturday ET

President Trump refreshes American fiscal fears and sovereign debt concerns through the One Big Beautiful Bill Act.

President Trump refreshes American fiscal fears, worries, and concerns through the One Big Beautiful Bill Act. The Congressional Budget Office (CBO) estimat

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America and China cannot decouple decades of long-term collaboration in trade, finance, and technology.

Becky Berkman

2019-12-16 11:37:00 Monday ET

America and China cannot decouple decades of long-term collaboration in trade, finance, and technology.

America and China cannot decouple decades of long-term collaboration in trade, finance, and technology. In recent times, some economists claim that China ma

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AYA finbuzz podcast offers fresh insights into the latest stock market issues and economic trends for better and wiser investment decisions.

Amy Hamilton

2019-06-30 12:37:00 Sunday ET

AYA finbuzz podcast offers fresh insights into the latest stock market issues and economic trends for better and wiser investment decisions.

AYA Analytica finbuzz podcast channel on YouTube June 2019 In this podcast, we discuss several topical issues as of June 2019: (1) Federal Reserve h

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