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 31 January 2026

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Warren Buffett offloads a few stocks from the Berkshire Hathaway portfolio in November 2018.

Peter Prince

2018-11-27 10:37:00 Tuesday ET

Warren Buffett offloads a few stocks from the Berkshire Hathaway portfolio in November 2018.

Warren Buffett offloads a few stocks from the Berkshire Hathaway portfolio in mid-November 2018. The latest S.E.C. report shows that the Oracle of Omaha sol

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British Prime Minister Theresa May faces her landslide defeat in the parliamentary vote 432-to-202 against her Brexit deal.

Charlene Vos

2019-01-27 12:39:00 Sunday ET

British Prime Minister Theresa May faces her landslide defeat in the parliamentary vote 432-to-202 against her Brexit deal.

British Prime Minister Theresa May faces her landslide defeat in the parliamentary vote 432-to-202 against her Brexit deal. British Parliament rejects the M

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President Xi seeks Chinese congressional approval for abolishing his term limits of strongman rule with better trade deals and economic ties.

Jacob Miramar

2018-03-03 11:37:00 Saturday ET

President Xi seeks Chinese congressional approval for abolishing his term limits of strongman rule with better trade deals and economic ties.

President Xi seeks Chinese congressional approval and constitutional amendment for abolishing his term limits of strongman rule with more favorable trade de

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Fed Chair Jerome Powell sees a remarkably positive outlook for the U.S. economy in early-October 2018.

Charlene Vos

2018-10-03 11:37:00 Wednesday ET

Fed Chair Jerome Powell sees a remarkably positive outlook for the U.S. economy in early-October 2018.

Fed Chair Jerome Powell sees a remarkably positive outlook for the U.S. economy right after the recent interest rate hike as of September 2018. He humbly su

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Capital structure choices for private firms

James Campbell

2022-09-15 11:38:00 Thursday ET

Capital structure choices for private firms

Capital structure choices for private firms The Kauffman Firm Survey (KFS) database provides comprehensive panel data on 5,000+ American private firms fr

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The Biden Inflation Reduction Act is central to modern world capitalism.

Andy Yeh Alpha

2023-02-28 11:30:00 Tuesday ET

The Biden Inflation Reduction Act is central to modern world capitalism.

The Biden Inflation Reduction Act is central to modern world capitalism. As of 2022-2023, global inflation has gradually declined from the peak of 9.8% d

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