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 21 February 2026

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Gold prices surge above $1400 per ounce amid global trade tension and economic policy uncertainty.

Charlene Vos

2019-07-17 12:37:00 Wednesday ET

Gold prices surge above $1400 per ounce amid global trade tension and economic policy uncertainty.

Gold prices surge above $1400 per ounce amid global trade tension and economic policy uncertainty. Both European Central Bank and Bank of Japan may consider

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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 considers imposing retaliatory economic sanctions on Chinese products.

Peter Prince

2018-01-10 08:40:00 Wednesday ET

President Trump considers imposing retaliatory economic sanctions on Chinese products.

President Trump considers imposing retaliatory economic sanctions on Chinese products and services in direct response to China's theft and infringement

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State, society, and the narrow corridor to liberty

Joseph Corr

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State, society, and the narrow corridor to liberty

Daron Acemoglu and James Robinson show a constant economic tussle between society and the state in the hot pursuit of liberty. Daron Acemoglu and James R

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After its iPhone X launch, Apple reports its highest quarterly revenue over $80 billion in the tech titan's 41-year history.

Amy Hamilton

2018-01-25 08:32:00 Thursday ET

After its iPhone X launch, Apple reports its highest quarterly revenue over $80 billion in the tech titan's 41-year history.

After its flagship iPhone X launch, Apple reports its highest quarterly sales revenue over $80 billion in the tech titan's 41-year history. Apple expect

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Climate change and ESG woke capitalism

Dan Rochefort

2022-11-30 09:26:00 Wednesday ET

Climate change and ESG woke capitalism

Climate change and ESG woke capitalism In recent times, the Biden administration has signed into law a $375 billion program to better balance the economi

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