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 20 December 2025

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Harley Davidson plans to move its major production for European customers out of America due to European Union tariff retaliation.

Rose Prince

2018-06-21 10:42:00 Thursday ET

Harley Davidson plans to move its major production for European customers out of America due to European Union tariff retaliation.

Harley Davidson plans to move its major production for European customers out of America due to European Union tariff retaliation. European Union retaliator

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Facebook, Apple, Amazon, Netflix, and Google (FAANG) have been the motor of the S&P 500 stock market index.

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2018-06-11 07:44:00 Monday ET

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Facebook, Apple, Amazon, Netflix, and Google (FAANG) have been the motor of the S&P 500 stock market index. Several economic media commentators contend

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Most artificial intelligence applications cannot figure out the intricate nuances of natural language and facial recognition.

Most artificial intelligence applications cannot figure out the intricate nuances of natural language and facial recognition. These intricate nuances repres

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Fed Chair Jerome Powell hints slower interest rate increases because the current rate is just below the neutral threshold.

Jacob Miramar

2018-12-07 11:35:00 Friday ET

Fed Chair Jerome Powell hints slower interest rate increases because the current rate is just below the neutral threshold.

Fed Chair Jerome Powell hints slower interest rate increases because the current rate is just below the neutral threshold. NYSE and NASDAQ share prices rebo

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Laura Hermes

2020-02-19 14:35:00 Wednesday ET

U.S. bank oligarchy has become bigger and more resistant to public regulation after the global financial crisis.

The U.S. bank oligarchy has become bigger, more profitable, and more resistant to public regulation after the global financial crisis. Simon Johnson and

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Trump imposes tariffs on steel and aluminum in a trade war with some exemptions for Canada and Mexico.

Olivia London

2018-03-01 07:35:00 Thursday ET

Trump imposes tariffs on steel and aluminum in a trade war with some exemptions for Canada and Mexico.

Trump imposes high tariffs on steel (25%) and aluminum (10%) in a new trade war with subsequent exemptions for Canada and Mexico. The Trump administration&#

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