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 5 September 2026

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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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The new Fed chairman Jerome Powell faces a new challenge in the form of core CPI rate hikes toward 1.8%-2.1%.

Laura Hermes

2018-02-07 06:38:00 Wednesday ET

The new Fed chairman Jerome Powell faces a new challenge in the form of core CPI rate hikes toward 1.8%-2.1%.

The new Fed chairman Jerome Powell faces a new challenge in the form of both core CPI and CPI inflation rate hikes toward 1.8%-2.1% year-over-year with stro

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The Trump administration introduces new tariffs on $50 billion Chinese goods amid the persistent bilateral trade dispute.

Laura Hermes

2018-06-09 16:40:00 Saturday ET

The Trump administration introduces new tariffs on $50 billion Chinese goods amid the persistent bilateral trade dispute.

The Trump administration introduces new tariffs on $50 billion Chinese goods amid the persistent bilateral trade dispute. The tariffs effectively boost cost

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Amazon CEO Jeff Bezos admits the fact that antitrust scrutiny remains a primary imminent threat to his e-commerce business empire.

John Fourier

2019-04-17 11:34:00 Wednesday ET

Amazon CEO Jeff Bezos admits the fact that antitrust scrutiny remains a primary imminent threat to his e-commerce business empire.

Amazon CEO Jeff Bezos admits the fact that antitrust scrutiny remains a primary imminent threat to his e-commerce business empire. In his annual letter to A

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Corporate payout management

Fiona Sydney

2022-05-05 09:34:00 Thursday ET

Corporate payout management

Corporate payout management This corporate payout literature review rests on the recent survey article by Farre-Mensa, Michaely, and Schmalz (2014). Out

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After its iPhone X launch, Apple reports its highest quarterly revenue over $80 billion in the tech titan's 41-year history.

Amy Hamilton

2018-01-25 08:32:00 Thursday ET

After its iPhone X launch, Apple reports its highest quarterly revenue over $80 billion in the tech titan's 41-year history.

After its flagship iPhone X launch, Apple reports its highest quarterly sales revenue over $80 billion in the tech titan's 41-year history. Apple expect

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