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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 3 October 2026

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President Donald Trump releases his plan to slash income taxes for U.S. citizens and corporations.

Jacob Miramar

2017-09-03 10:44:00 Sunday ET

President Donald Trump releases his plan to slash income taxes for U.S. citizens and corporations.

President Donald Trump has released his plan to slash income taxes for U.S. citizens and corporations. The corporate income tax rate will decline from 35% t

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There are several highlights from the first news conference after Trump's presidential election victory.

Monica McNeil

2017-01-23 09:30:00 Monday ET

There are several highlights from the first news conference after Trump's presidential election victory.

There are several highlights from the first news conference after Trump's presidential election victory: The Trump administration will repeal-and-

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The global pandemic crisis helps reshape international finance, trade, and technology.

James Campbell

2021-02-01 10:19:00 Monday ET

The global pandemic crisis helps reshape international finance, trade, and technology.

In recent times, the International Monetary Fund (IMF) predicts that the fiscal-debt-to-GDP ratio of most rich economies would rise from 95% in 2018 to 135%

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Treasury Secretary Steven Mnuchin indicates that there is a good conceptual trade agreement between China and the U.S. in regard to intellectual property protection and enforcement.

James Campbell

2019-10-05 07:27:00 Saturday ET

Treasury Secretary Steven Mnuchin indicates that there is a good conceptual trade agreement between China and the U.S. in regard to intellectual property protection and enforcement.

Treasury Secretary Steven Mnuchin indicates that there is a good conceptual trade agreement between China and the U.S. in regard to intellectual property pr

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Apple upstream suppliers such as Foxconn and Pegatron experience sharp share price declines during the Christmas 2017 holiday quarter.

Jacob Miramar

2018-11-21 11:36:00 Wednesday ET

Apple upstream suppliers such as Foxconn and Pegatron experience sharp share price declines during the Christmas 2017 holiday quarter.

Apple upstream suppliers from Foxconn and Pegatron to Radiance and Lumentum experience sharp share price declines during the Christmas 2017 holiday quarter.

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Bank failure resolution and financial risk management: Silicon Valley Bank, Signature Bank, and First Republic Bank.

Dan Rochefort

2023-05-27 11:30:00 Saturday ET

Bank failure resolution and financial risk management: Silicon Valley Bank, Signature Bank, and First Republic Bank.

Bank failure resolution and financial risk management: Silicon Valley Bank, Signature Bank, and First Republic Bank.   What are the main root cau

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