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 17 January 2026

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Sino-American trade talks make positive progress over 3 consecutive days.

Joseph Corr

2019-01-17 10:41:00 Thursday ET

Sino-American trade talks make positive progress over 3 consecutive days.

Sino-American trade talks make positive progress over 3 consecutive days as S&P 500 and global stock market indices post 3-day win streaks. Asian and Eu

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Stock Synopsis: With a new Python program, we use, adapt, apply, and leverage each of the mainstream Gemini Gen AI models to conduct this comprehensive fundamental analysis of Salesforce (U.S. stock symbol: $CRM).

Amy Hamilton

2025-10-09 11:30:00 Thursday ET

Stock Synopsis: With a new Python program, we use, adapt, apply, and leverage each of the mainstream Gemini Gen AI models to conduct this comprehensive fundamental analysis of Salesforce (U.S. stock symbol: $CRM).

Stock Synopsis: With a new Python program, we use, adapt, apply, and leverage each of the mainstream Gemini Gen AI models to conduct this comprehensive fund

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Global financial markets suffer as President Trump promises *fire and fury* in response North Korean nuclear ambitions.

Daisy Harvey

2017-08-07 09:39:00 Monday ET

Global financial markets suffer as President Trump promises *fire and fury* in response North Korean nuclear ambitions.

Global financial markets suffer as President Trump promises *fire and fury* in response to the recent report that North Korea has successfully miniaturized

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The U.S. Treasury yield curve inverts for the first time since the Global Financial Crisis.

Apple Boston

2019-04-09 11:29:00 Tuesday ET

The U.S. Treasury yield curve inverts for the first time since the Global Financial Crisis.

The U.S. Treasury yield curve inverts for the first time since the Global Financial Crisis. The key term spread between the 10-year and 3-month U.S. Treasur

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These famous quotes of self-made billionaires are inspirational words of wisdom on investment management.

Joseph Corr

2017-06-27 05:40:00 Tuesday ET

These famous quotes of self-made billionaires are inspirational words of wisdom on investment management.

These famous quotes of self-made billionaires are inspirational words of wisdom on financial management, innovation, and entrepreneurship. For financial

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Income and wealth concentration follows the ebbs and flows of the business cycle in America.

Amy Hamilton

2019-04-23 19:45:00 Tuesday ET

Income and wealth concentration follows the ebbs and flows of the business cycle in America.

Income and wealth concentration follows the ebbs and flows of the business cycle in America. Economic inequality not only grows among people, but it also gr

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