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 10 January 2026

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New computer algorithms and passive mutual fund managers now run the stock market.

Joseph Corr

2019-11-17 14:43:00 Sunday ET

New computer algorithms and passive mutual fund managers now run the stock market.

New computer algorithms and passive mutual fund managers run the stock market. Morningstar suggests that the total dollar amount of passive equity assets re

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Chinese Belt-and-Road funds large international infrastructure investment projects primarily in East Asia, Central Asia, North Africa, and Italy.

Fiona Sydney

2019-04-15 08:37:00 Monday ET

Chinese Belt-and-Road funds large international infrastructure investment projects primarily in East Asia, Central Asia, North Africa, and Italy.

Chinese Belt-and-Road funds large international infrastructure investment projects primarily in East Asia, Central Asia, North Africa, and Italy. Chinese Be

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Stock Synopsis: ESG value and momentum stock market portfolio strategies

Fiona Sydney

2024-03-26 09:30:00 Tuesday ET

Stock Synopsis: ESG value and momentum stock market portfolio strategies

Stock Synopsis: ESG value and momentum stock market portfolio strategies Since 2013, we have been delving into the broad topics of ESG (Environmental, So

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Fundamental value investors find it more difficult to ferret out individual stocks.

James Campbell

2017-06-03 05:35:00 Saturday ET

Fundamental value investors find it more difficult to ferret out individual stocks.

Fundamental value investors, who intend to manage their stock portfolios like Warren Buffett and Peter Lynch, now find it more difficult to ferret out indiv

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President Trump ramps up 25% tariffs on $200 billion Chinese imports soon after China backtracks on the Sino-U.S. trade agreement.

Rose Prince

2019-05-09 10:28:00 Thursday ET

President Trump ramps up 25% tariffs on $200 billion Chinese imports soon after China backtracks on the Sino-U.S. trade agreement.

President Trump ramps up 25% tariffs on $200 billion Chinese imports soon after China backtracks on the Sino-American trade agreement. U.S. trade envoy Robe

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The Trump administration introduces new tariffs on $50 billion Chinese goods amid the persistent bilateral trade dispute.

Laura Hermes

2018-06-09 16:40:00 Saturday ET

The Trump administration introduces new tariffs on $50 billion Chinese goods amid the persistent bilateral trade dispute.

The Trump administration introduces new tariffs on $50 billion Chinese goods amid the persistent bilateral trade dispute. The tariffs effectively boost cost

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