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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 29 November 2025

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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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Our proprietary alpha investment model outperforms most stock market indices from 2017 to 2020.

Andy Yeh Alpha

2020-02-02 10:31:00 Sunday ET

Our proprietary alpha investment model outperforms most stock market indices from 2017 to 2020.

Our proprietary alpha investment model outperforms the major stock market benchmarks such as S&P 500, MSCI, Dow Jones, and Nasdaq. We implement

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Treasury bond yield curve inversion often signals the next economic recession in America.

Monica McNeil

2018-10-11 08:44:00 Thursday ET

Treasury bond yield curve inversion often signals the next economic recession in America.

Treasury bond yield curve inversion often signals the next economic recession in America. In fact, U.S. bond yield curve inversion correctly predicts the da

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Smart firms and customers connect the continuous flow of lean production to the lean consumption of cost-effective minimum viable products.

Olivia London

2020-07-26 15:29:00 Sunday ET

Smart firms and customers connect the continuous flow of lean production to the lean consumption of cost-effective minimum viable products.

Firms and customers create value and wealth together by joining the continual flow of small batches of lean production to the lean consumption of cost-effec

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Bill Gates and Warren Buffett shared their best business decisions in a 1998 panel discussion.

Laura Hermes

2017-11-13 07:42:00 Monday ET

Bill Gates and Warren Buffett shared their best business decisions in a 1998 panel discussion.

Top 2 wealthiest men Bill Gates and Warren Buffett shared their best business decisions in a 1998 panel discussion with students at the University of Washin

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Bidenomics better balances fiscal deficits and government expenditures with new corporate and capital income tax hikes.

Apple Boston

2021-08-01 07:26:00 Sunday ET

Bidenomics better balances fiscal deficits and government expenditures with new corporate and capital income tax hikes.

The Biden administration launches economic reforms in fiscal and monetary stimulus, global trade, finance, and technology. President Joe Biden proposes s

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