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 7 February 2026

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U.S. regulatory agencies may consider broader economic issues in their antitrust probe into Amazon, Apple, Facebook, and Google.

Joseph Corr

2019-07-03 11:35:00 Wednesday ET

U.S. regulatory agencies may consider broader economic issues in their antitrust probe into Amazon, Apple, Facebook, and Google.

U.S. regulatory agencies may consider broader economic issues in their antitrust probe into tech titans such as Amazon, Apple, Facebook, and Google etc. Hou

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Goldman Sachs follows the timeless business principles and best practices in financial market design and investment management.

Chanel Holden

2020-02-26 09:30:00 Wednesday ET

Goldman Sachs follows the timeless business principles and best practices in financial market design and investment management.

Goldman Sachs follows the timeless business principles and best practices in financial market design and investment management. William Cohan (2011) M

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Our proprietary alpha investment model outperforms most stock market indexes from 2017 to 2026.

Olivia London

2026-02-02 12:30:00 Monday ET

Our proprietary alpha investment model outperforms most stock market indexes from 2017 to 2026.

With U.S. fintech patent approval, accreditation, and protection for 20 years, our proprietary alpha investment model outperforms most stock market indexes

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Persistent post-Roman European fragmentation leads to modern economic growth and development.

Jacob Miramar

2023-10-21 11:32:00 Saturday ET

Persistent post-Roman European fragmentation leads to modern economic growth and development.

Walter Scheidel indicates that persistent European fragmentation after the collapse of the Roman Empire leads to modern economic growth and development.

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Global trade transforms from labor cost arbitrage to high-skill knowledge work.

Laura Hermes

2019-01-29 10:33:00 Tuesday ET

Global trade transforms from labor cost arbitrage to high-skill knowledge work.

Global trade transforms from labor cost arbitrage to high-skill knowledge work. In fact, multinational manufacturers have been trying to create global suppl

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State, society, and the narrow corridor to liberty

Joseph Corr

2023-09-28 08:26:00 Thursday ET

State, society, and the narrow corridor to liberty

Daron Acemoglu and James Robinson show a constant economic tussle between society and the state in the hot pursuit of liberty. Daron Acemoglu and James R

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