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 15 November 2025

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Most agile lean enterprises often choose to cut costs strategically to make their respective business models fit for growth.

Daphne Basel

2020-10-27 07:43:00 Tuesday ET

Most agile lean enterprises often choose to cut costs strategically to make their respective business models fit for growth.

Most agile lean enterprises often choose to cut costs strategically to make their respective business models fit for growth. Vinay Couto, John Plansky,

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The Trump team blocks Broadcom's bid for Qualcomm due to national security concerns and 5G telecom network issues.

James Campbell

2018-03-06 11:35:00 Tuesday ET

The Trump team blocks Broadcom's bid for Qualcomm due to national security concerns and 5G telecom network issues.

The Trump team blocks Broadcom's bid for Qualcomm due to national economic security concerns and 5G telecom network issues. Broadcom makes microchips fo

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President Trump tweets that he asks the SEC to assess the practical implications of switching to a 6-month corporate disclosure cycle.

John Fourier

2018-08-17 11:45:00 Friday ET

President Trump tweets that he asks the SEC to assess the practical implications of switching to a 6-month corporate disclosure cycle.

In accordance with the extant corporate disclosure rules and requirements, all U.S. public corporations have to report their balance sheets, income statemen

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Treasury Secretary Steve Mnuchin indicates that the Trump team puts the trade war with China on hold.

Olivia London

2018-05-19 09:29:00 Saturday ET

Treasury Secretary Steve Mnuchin indicates that the Trump team puts the trade war with China on hold.

Treasury Secretary Steve Mnuchin indicates that the Trump team puts the trade war with China on hold. The interim suspension of U.S. tariffs should offer in

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President Trump's current trade policies appear like the Reagan administration's protectionist trade policies back in the 1980s.

Apple Boston

2018-07-03 11:42:00 Tuesday ET

President Trump's current trade policies appear like the Reagan administration's protectionist trade policies back in the 1980s.

President Trump's current trade policies appear like the Reagan administration's protectionist trade policies back in the 1980s. In comparison to th

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Facebook introduces a new cryptocurrency Libra as a fresh medium of exchange for e-commerce.

Dan Rochefort

2019-07-21 09:37:00 Sunday ET

Facebook introduces a new cryptocurrency Libra as a fresh medium of exchange for e-commerce.

Facebook introduces a new cryptocurrency Libra as a fresh medium of exchange for e-commerce. Libra will be available to all the 2 billion active users on Fa

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