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 6 December 2025

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U.S. senators urge the Trump administration to prevent the IMF from bailing out several countries that face predatory Chinese loans.

Chanel Holden

2018-02-01 07:38:00 Thursday ET

U.S. senators urge the Trump administration to prevent the IMF from bailing out several countries that face predatory Chinese loans.

U.S. senators urge the Trump administration with a bipartisan proposal to prevent the International Monetary Fund (IMF) from bailing out several countries t

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The Chinese central bank has to circumvent offshore imports-driven inflation due to Renminbi currency misalignment.

Amy Hamilton

2019-07-07 18:36:00 Sunday ET

The Chinese central bank has to circumvent offshore imports-driven inflation due to Renminbi currency misalignment.

The Chinese central bank has to circumvent offshore imports-driven inflation due to Renminbi currency misalignment. Even though China keeps substantial fore

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Most artificial intelligence applications cannot figure out the intricate nuances of natural language and facial recognition.

Fiona Sydney

2019-09-01 10:31:00 Sunday ET

Most artificial intelligence applications cannot figure out the intricate nuances of natural language and facial recognition.

Most artificial intelligence applications cannot figure out the intricate nuances of natural language and facial recognition. These intricate nuances repres

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President Donald Trump delivers his first state-of-the-union address.

Daphne Basel

2018-01-29 07:38:00 Monday ET

President Donald Trump delivers his first state-of-the-union address.

President Donald Trump delivers his first state-of-the-union address. Several key highlights touch on economic issues from fiscal stimulus and trade protect

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Blue-ocean strategists shift focus from current competitors to alternative non-customers with new market space.

Apple Boston

2020-05-21 11:30:00 Thursday ET

Blue-ocean strategists shift focus from current competitors to alternative non-customers with new market space.

Most blue-ocean strategists shift fundamental focus from current competitors to alternative non-customers with new market space. W. Chan Kim and Renee Ma

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What are our proprietary alpha stock signals?

Andy Yeh Alpha

2020-09-11 10:22:00 Friday ET

What are our proprietary alpha stock signals?

AYA fintech network platform provides proprietary alpha stock signals and personal finance tools. In recent times, we have completed our fresh website up

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