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 16 May 2026

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Tax policy pluralism for addressing special interests

Monica McNeil

2023-12-08 08:28:00 Friday ET

Tax policy pluralism for addressing special interests

Tax policy pluralism for addressing special interests Economists often praise as pluralism the interplay of special interest groups in public policy. In

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Former IMF chief economist Kenneth Rogoff advocates that artificial intelligence helps augment productivity growth in the next decade.

James Campbell

2018-04-23 07:43:00 Monday ET

Former IMF chief economist Kenneth Rogoff advocates that artificial intelligence helps augment productivity growth in the next decade.

Harvard professor and former IMF chief economist Kenneth Rogoff advocates that artificial intelligence helps augment human productivity growth in the next d

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Steven Shavell presents his economic analysis of law in terms of the economic outcomes of both legal doctrines and institutions.

Jacob Miramar

2023-08-21 12:25:00 Monday ET

Steven Shavell presents his economic analysis of law in terms of the economic outcomes of both legal doctrines and institutions.

Steven Shavell presents his economic analysis of law in terms of the economic outcomes of both legal doctrines and institutions. Steven Shavell (2004)

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U.S. Treasury's proposal for financial deregulation aims to remove key aspects of the Dodd-Frank Act.

Rose Prince

2017-08-25 13:36:00 Friday ET

U.S. Treasury's proposal for financial deregulation aims to remove key aspects of the Dodd-Frank Act.

The U.S. Treasury's June 2017 grand proposal for financial deregulation aims to remove several aspects of the Dodd-Frank Act 2010 such as annual macro s

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Amazon acquires an Internet pharmacy PillPack in order to better compete with Walgreens and many other drug distributors.

Peter Prince

2018-06-29 11:41:00 Friday ET

Amazon acquires an Internet pharmacy PillPack in order to better compete with Walgreens and many other drug distributors.

Amazon acquires an Internet pharmacy PillPack in order to better compete with Walgreens Boots Alliance, CVS Health, Rite Aid, and many other drug distributo

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Fed's new chairman Jerome Powell testifies before Congress for the first time.

Rose Prince

2018-02-27 09:35:00 Tuesday ET

Fed's new chairman Jerome Powell testifies before Congress for the first time.

Fed's new chairman Jerome Powell testifies before Congress for the first time. He vows to prevent price instability for U.S. consumers, firms, and finan

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