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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Amy Hamilton

2018-12-19 17:41:00 Wednesday ET

Tencent Music Entertainment debuts its IPO on NYSE to strike a chord with stock market investors.

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Tim Berners-Lee suggests that several tech titans might need to be split up in response to some recent data breach and privacy concerns.

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2018-11-09 11:35:00 Friday ET

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Apple settles its 2-year intellectual property lawsuit with Qualcomm by agreeing to a multi-year patent license with royalty payments to the microchip maker

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Former Bank of England Governor Mervyn King provides his deep substantive analysis of the Global Financial Crisis of 2008-2009.

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Former Bank of England Governor Mervyn King provides his deep substantive analysis of the Global Financial Crisis of 2008-2009.

Former Bank of England Governor Mervyn King provides his deep substantive analysis of the Global Financial Crisis of 2008-2009. Mervyn King (2017) &nb

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Stanford computer science overlords Larry Page and Sergey Brin design Google as an Internet search company.

Charlene Vos

2020-03-05 08:28:00 Thursday ET

Stanford computer science overlords Larry Page and Sergey Brin design Google as an Internet search company.

The Stanford computer science overlords Larry Page and Sergey Brin design and develop Google as an Internet search company. Janet Lowe (2009) Google s

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