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 23 May 2026

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Facebook introduces a new cryptocurrency Libra as a fresh medium of exchange for e-commerce.

Dan Rochefort

2019-07-21 09:37:00 Sunday ET

Facebook introduces a new cryptocurrency Libra as a fresh medium of exchange for e-commerce.

Facebook introduces a new cryptocurrency Libra as a fresh medium of exchange for e-commerce. Libra will be available to all the 2 billion active users on Fa

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North Korean leader and president Kim Jong-Un seeks peaceful resolution and denuclearization on the Korean Peninsula.

Olivia London

2018-04-11 09:37:00 Wednesday ET

North Korean leader and president Kim Jong-Un seeks peaceful resolution and denuclearization on the Korean Peninsula.

North Korean leader and president Kim Jong-Un seeks peaceful resolution and denuclearization on the Korean Peninsula. When *peace* comes to shove, Asia

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We assess how stablecoins and blockchains can combine to strengthen the U.S. Treasury bond market after the recent U.S. congressional passage of the GENIUS Act.

John Fourier

2027-07-31 13:25:00 Saturday ET

We assess how stablecoins and blockchains can combine to strengthen the U.S. Treasury bond market after the recent U.S. congressional passage of the GENIUS Act.

In the broader context of stablecoins for asset tokenization worldwide, many governments now seek to enter the global markets for stablecoins and other U.S.

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Daniel Goleman explains why emotional intelligence is more important than high IQ for our success, virtue, and happiness in life.

Olivia London

2025-06-21 10:25:00 Saturday ET

Daniel Goleman explains why emotional intelligence is more important than high IQ for our success, virtue, and happiness in life.

Former New York Times science author and Harvard psychologist Daniel Goleman explains why emotional intelligence can serve as a more important critical succ

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European Commission President Ursula von der Leyen now protects the European circular economy and green growth from 2020 to 2050.

Dan Rochefort

2019-12-22 08:30:00 Sunday ET

European Commission President Ursula von der Leyen now protects the European circular economy and green growth from 2020 to 2050.

European Commission President Ursula von der Leyen now protects the European circular economy and green growth from 2020 to 2050. The new circular economy r

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Former White House chief economic advisor Nouriel Roubini discusses the major limits of central-bank-driven fiscal deficits.

Rose Prince

2019-12-25 19:46:00 Wednesday ET

Former White House chief economic advisor Nouriel Roubini discusses the major limits of central-bank-driven fiscal deficits.

Former White House chief economic advisor Nouriel Roubini discusses the major limits of central-bank-driven fiscal deficits. The International Monetary Fund

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