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 22 August 2026

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New York Fed CEO John Williams listens to sharp share price declines as part of the data-dependent interest rate policy.

Dan Rochefort

2019-01-02 06:28:00 Wednesday ET

New York Fed CEO John Williams listens to sharp share price declines as part of the data-dependent interest rate policy.

New York Fed CEO John Williams listens to sharp share price declines as part of the data-dependent interest rate policy. The Federal Reserve can respond to

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President Trump delivers his second state-of-the-union address to U.S. Congress.

Olivia London

2019-02-06 10:36:49 Wednesday ET

President Trump delivers his second state-of-the-union address to U.S. Congress.

President Trump delivers his second state-of-the-union address to U.S. Congress. Several key themes emerge from this presidential address. First, President

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President Trump tweets his key decision to oust State Secretary Rex Tillerson due to intense disagreement over diplomatic affairs.

Fiona Sydney

2018-03-07 07:34:00 Wednesday ET

President Trump tweets his key decision to oust State Secretary Rex Tillerson due to intense disagreement over diplomatic affairs.

President Trump tweets his key decision to oust State Secretary Rex Tillerson after several months of intense disagreement over diplomatic affairs. Trump so

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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 adds fresh features to its new iPad Pro and MacBook Air in addition to its prior suite of iPhones.

Joseph Corr

2018-11-03 11:36:00 Saturday ET

Apple adds fresh features to its new iPad Pro and MacBook Air in addition to its prior suite of iPhones.

Apple adds fresh features to its new iPad Pro and MacBook Air in addition to its prior suite of iPhone XS, iPhone XS Max, and iPhone XR back in September 20

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Anti-competitive corporate practices may stifle U.S. innovation.

Fiona Sydney

2020-01-15 08:31:00 Wednesday ET

Anti-competitive corporate practices may stifle U.S. innovation.

Anti-competitive corporate practices may stifle U.S. innovation. In recent decades, wage growth, economic output, and productivity tend to stagnate as U.S.

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