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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 22 August 2026

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Facebook reaches a $5 billion settlement with the Federal Trade Commission over Cambridge Analytica user privacy violations.

Monica McNeil

2019-08-12 07:30:00 Monday ET

Facebook reaches a $5 billion settlement with the Federal Trade Commission over Cambridge Analytica user privacy violations.

Facebook reaches a $5 billion settlement with the Federal Trade Commission over Cambridge Analytica user privacy violations. The Federal Trade Commission (F

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Empirical tests of multi-factor models for asset return prediction

Apple Boston

2022-02-25 00:00:00 Friday ET

Empirical tests of multi-factor models for asset return prediction

Empirical tests of multi-factor models for asset return prediction  The capital asset pricing model (CAPM) of Sharpe (1964), Lintner (1965), and Bla

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President Trump signs an executive order to freeze federal employee pay in early-2019.

Rose Prince

2019-01-06 08:39:00 Sunday ET

President Trump signs an executive order to freeze federal employee pay in early-2019.

President Trump signs an executive order to freeze federal employee pay in early-2019. Federal employees face furlough or work without pay due to the govern

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The Internet and telecom conglomerate SoftBank Group raises $23 billion in the biggest IPO in Japan.

Chanel Holden

2018-12-21 11:39:00 Friday ET

The Internet and telecom conglomerate SoftBank Group raises $23 billion in the biggest IPO in Japan.

The Internet and telecom conglomerate SoftBank Group raises $23 billion in the biggest IPO in Japan. Going public is part of the major corporate move away f

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Citron Research short-sellers initiate a class-action lawsuit against Tesla and its executive chairman Elon Musk.

Monica McNeil

2018-09-05 08:34:00 Wednesday ET

Citron Research short-sellers initiate a class-action lawsuit against Tesla and its executive chairman Elon Musk.

Citron Research short-sellers initiate a class-action lawsuit against Tesla and its executive chairman Elon Musk because he might have deliberately orchestr

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Apple provides positive forward guidance on both revenue and profit forecasts for iPhones, iPads, and MacBooks.

James Campbell

2019-02-09 08:33:00 Saturday ET

Apple provides positive forward guidance on both revenue and profit forecasts for iPhones, iPads, and MacBooks.

Apple provides positive forward guidance on both revenue and profit forecasts for iPhones, iPads, and MacBooks. In the Christmas 2018 festive season, MacBoo

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