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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 3 October 2026

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Netflix raises its prices by 13% to 18% for U.S. subscribers.

Chanel Holden

2019-01-25 13:34:00 Friday ET

Netflix raises its prices by 13% to 18% for U.S. subscribers.

Netflix raises its prices by 13% to 18% for U.S. subscribers. The immediate stock market price soars 6.5% as a result of this upward price adjustment. The b

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Nir Eyal and Ryan Hoover explain why keystone habits lead us to purchase products, goods, and services in our daily lives.

Fiona Sydney

2025-07-26 09:26:00 Saturday ET

Nir Eyal and Ryan Hoover explain why keystone habits lead us to purchase products, goods, and services in our daily lives.

Nir Eyal and Ryan Hoover explain why keystone habits lead us to purchase products, goods, and services in our lives. The Hooked Model can help shine new lig

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Federal Reserve proposes to revamp post-crisis rules for U.S. banks.

Joseph Corr

2019-04-19 12:35:00 Friday ET

Federal Reserve proposes to revamp post-crisis rules for U.S. banks.

Federal Reserve proposes to revamp post-crisis rules for U.S. banks. The current proposals would prescribe materially less strict requirements for community

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The Federal Communications Commission (FCC) considers its majority vote to dismantle net neutrality rules.

John Fourier

2017-12-13 06:39:00 Wednesday ET

The Federal Communications Commission (FCC) considers its majority vote to dismantle net neutrality rules.

The Federal Communications Commission (FCC) has decided its majority vote to dismantle rules and regulations of most Internet service providers (ISPs) that

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Senior business leaders can learn much from the lean production system with iterative continuous improvements at Toyota.

Daisy Harvey

2020-07-19 09:25:00 Sunday ET

Senior business leaders can learn much from the lean production system with iterative continuous improvements at Toyota.

Senior business leaders can learn much from the lean production system with iterative continuous improvements at Toyota. Takehiko Harada (2015)  

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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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