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 28 March 2026

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Federal Reserve remains patient on future interest rate adjustments due to trade and fiscal budget negotiations.

Becky Berkman

2019-02-04 07:42:00 Monday ET

Federal Reserve remains patient on future interest rate adjustments due to trade and fiscal budget negotiations.

Federal Reserve remains patient on future interest rate adjustments due to global headwinds and impasses over American trade and fiscal budget negotiations.

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Apple enters a multi-year content partnership with Oprah Winfrey to provide new original online video and TV programs.

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2018-06-10 19:41:00 Sunday ET

Apple enters a multi-year content partnership with Oprah Winfrey to provide new original online video and TV programs.

Apple enters a multi-year content partnership with Oprah Winfrey to provide new original online video and TV programs in direct competition with Netflix, Am

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

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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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All of the 18 systemically important banks pass the annual Federal Reserve stress tests.

James Campbell

2019-07-30 15:33:00 Tuesday ET

All of the 18 systemically important banks pass the annual Federal Reserve stress tests.

All of the 18 systemically important banks pass the annual Federal Reserve stress tests. Many of the largest lenders announce higher cash payouts to shareho

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

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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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Elon Musk envisions a bold fantastic future with his professional trifecta of lean enterprises SolarCity, SpaceX, and Tesla.

Joseph Corr

2020-04-10 11:33:00 Friday ET

Elon Musk envisions a bold fantastic future with his professional trifecta of lean enterprises SolarCity, SpaceX, and Tesla.

Elon Musk envisions a bold fantastic future with his professional trifecta of lean startup enterprises SolarCity, SpaceX, and Tesla. Ashlee Vance (2015)

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