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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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Apple pursues an early harvest strategy that focuses on extracting healthy profits from the Mac, iPhone, and iPad.

Monica McNeil

2017-05-01 09:45:00 Monday ET

Apple pursues an early harvest strategy that focuses on extracting healthy profits from the Mac, iPhone, and iPad.

Apple now pursues an early harvest strategy that focuses on extracting healthy profits from a relatively static market for the Mac, iPhone, and iPad, all of

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The financial crisis of 2008-2009 affects many millennials as they bear the primary costs of college tuition, residential demand, health care, and childcare.

Peter Prince

2019-06-23 08:30:00 Sunday ET

The financial crisis of 2008-2009 affects many millennials as they bear the primary costs of college tuition, residential demand, health care, and childcare.

The financial crisis of 2008-2009 affects many millennials as they bear the primary costs of college tuition, residential demand, health care, and childcare

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France and Germany are the biggest beneficiaries of Sino-U.S. trade escalation.

Chanel Holden

2019-07-11 10:48:00 Thursday ET

France and Germany are the biggest beneficiaries of Sino-U.S. trade escalation.

France and Germany are the biggest beneficiaries of Sino-U.S. trade escalation, whereas, Japan, South Korea, and Taiwan suffer from the current trade stando

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Lucian Bebchuk and Jesse Fried critique that executive pay often cannot help explain the stock return and operational performance of most corporations.

Daisy Harvey

2023-07-28 11:28:00 Friday ET

Lucian Bebchuk and Jesse Fried critique that executive pay often cannot help explain the stock return and operational performance of most corporations.

Lucian Bebchuk and Jesse Fried critique that executive pay often cannot help explain the stock return and operational performance of most U.S. public corpor

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Volcker, Greenspan, Bernanke, and Yellen contribute to a Wall Street Journal op-ed on monetary policy independence.

Olivia London

2019-09-23 12:25:00 Monday ET

Volcker, Greenspan, Bernanke, and Yellen contribute to a Wall Street Journal op-ed on monetary policy independence.

Volcker, Greenspan, Bernanke, and Yellen contribute to a Wall Street Journal op-ed on monetary policy independence. These former Federal Reserve chiefs unit

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The Federal Reserve System conducts monetary policy decisions, interest rate adjustments, and inter-bank payment operations.

Dan Rochefort

2023-03-28 11:30:00 Tuesday ET

The Federal Reserve System conducts monetary policy decisions, interest rate adjustments, and inter-bank payment operations.

The Federal Reserve System conducts monetary policy decisions, interest rate adjustments, and inter-bank payment operations. Peter Conti-Brown (2017)

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