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 25 April 2026

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The Trump team receives a 3.2% first-quarter GDP boost as Federal Reserve halts the next interest rate hike in May 2019.

Olivia London

2019-05-07 09:30:00 Tuesday ET

The Trump team receives a 3.2% first-quarter GDP boost as Federal Reserve halts the next interest rate hike in May 2019.

The Trump team receives a 3.2% first-quarter GDP boost as Fed Chair Jay Powell halts the next interest rate hike in early-May 2019. This smooth upward econo

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The global cloud expands what can be made digitally viable from electric vehicles (EV) and virtual reality (VR) headsets to artificial intelligence (AI) and the metaverse.

Chanel Holden

2025-04-30 08:27:00 Wednesday ET

The global cloud expands what can be made digitally viable from electric vehicles (EV) and virtual reality (VR) headsets to artificial intelligence (AI) and the metaverse.

The multiple layers of the world cloud Internet help expand what can be made digitally viable from electric vehicles (EV) and virtual reality (VR) headsets

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Stock Synopsis: With a new Python program, we use, adapt, apply, and leverage each of the mainstream Gemini Gen AI models to conduct this comprehensive fundamental analysis of Meta Platforms (U.S. stock symbol: $META).

Daisy Harvey

2025-09-21 12:32:00 Sunday ET

Stock Synopsis: With a new Python program, we use, adapt, apply, and leverage each of the mainstream Gemini Gen AI models to conduct this comprehensive fundamental analysis of Meta Platforms (U.S. stock symbol: $META).

Stock Synopsis: With a new Python program, we use, adapt, apply, and leverage each of the mainstream Gemini Gen AI models to conduct this comprehensive fund

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Modern themes and insights in behavioral finance (Part 1)

Laura Hermes

2022-02-05 09:26:00 Saturday ET

Modern themes and insights in behavioral finance (Part 1)

Modern themes and insights in behavioral finance   Shiller, R.J. (2003). From efficient markets theory to behavioral finance. Journal of Economi

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Federal Reserve Chair Jerome Powell announces the monetary policy decision to lower the federal funds rate by a quarter point to 2%-2.25%.

Chanel Holden

2019-09-07 17:37:00 Saturday ET

Federal Reserve Chair Jerome Powell announces the monetary policy decision to lower the federal funds rate by a quarter point to 2%-2.25%.

Federal Reserve Chair Jerome Powell announces the monetary policy decision to lower the federal funds rate by a quarter point to 2%-2.25%. This interest rat

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Nobel Laureate Joseph Stiglitz maintains that globalization only works for a few elite groups.

Becky Berkman

2019-08-09 18:35:00 Friday ET

Nobel Laureate Joseph Stiglitz maintains that globalization only works for a few elite groups.

Nobel Laureate Joseph Stiglitz maintains that globalization only works for a few elite groups; whereas, the government should now reassert itself in terms o

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