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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 2 May 2026

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CNBC news anchor Becky Quick interviews Warren Buffett in early-2019.

James Campbell

2019-04-07 13:39:00 Sunday ET

CNBC news anchor Becky Quick interviews Warren Buffett in early-2019.

CNBC news anchor Becky Quick interviews Warren Buffett in early-2019. Buffett explains the fact that book value fluctuations are a metric that has lost rele

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Apple files an appeal to overturn the recent iPhone sales ban in China due to its patent infringement of Qualcomm proprietary technology.

Jonah Whanau

2018-12-17 08:43:00 Monday ET

Apple files an appeal to overturn the recent iPhone sales ban in China due to its patent infringement of Qualcomm proprietary technology.

Apple files an appeal to overturn the recent iPhone sales ban in China due to its patent infringement of Qualcomm proprietary technology. This recent ban of

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Most business organizations should continue to create new value in order to achieve long-run success and sustainable profitability.

Peter Prince

2020-09-10 08:31:00 Thursday ET

Most business organizations should continue to create new value in order to achieve long-run success and sustainable profitability.

Most business organizations should continue to create new value in order to achieve long-run success and sustainable profitability. Todd Zenger (2016)

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Berkeley macro economist Brad DeLong sees no good reasons for an imminent economic recession with mass unemployment and even depression.

Laura Hermes

2019-11-21 11:34:00 Thursday ET

Berkeley macro economist Brad DeLong sees no good reasons for an imminent economic recession with mass unemployment and even depression.

Berkeley macro economist Brad DeLong sees no good reasons for an imminent economic recession with mass unemployment and even depression. The current U.S. ec

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Many billionaires choose to live below their means with frugal habits and lifestyles.

Chanel Holden

2019-12-04 14:35:00 Wednesday ET

Many billionaires choose to live below their means with frugal habits and lifestyles.

Many billionaires choose to live below their means with frugal habits and lifestyles. Those people who consistently commit to saving more, spending less, an

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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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