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 18 July 2026

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Economic policy incrementalism for better fiscal and monetary policy coordination

Becky Berkman

2023-12-07 07:22:00 Thursday ET

Economic policy incrementalism for better fiscal and monetary policy coordination

Economic policy incrementalism for better fiscal and monetary policy coordination Traditionally, fiscal and monetary policies were made incrementally. In

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Tech unicorns blitzscale business niches for better scale economies from Uber and Lyft to Pinterest, Slack, and Zoom.

Dan Rochefort

2019-05-03 11:29:00 Friday ET

Tech unicorns blitzscale business niches for better scale economies from Uber and Lyft to Pinterest, Slack, and Zoom.

Key tech unicorns blitzscale business niches for better scale economies from Uber and Lyft to Pinterest, Slack, and Zoom. LinkedIn cofounder and serial entr

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Public sentiment turns quite a bit against Facebook in light of the public issues around fake news.

Apple Boston

2017-12-03 08:37:00 Sunday ET

Public sentiment turns quite a bit against Facebook in light of the public issues around fake news.

Sean Parker, Napster founder and a former investor in Facebook, has become a "conscientious objector" on Facebook. Parker says Facebook explo

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Carmen Reinhart and Kenneth Rogoff analyze long-run crisis data to find the root causes of financial crises for better bank capital regulation and asset market stabilization.

Laura Hermes

2023-06-28 09:29:00 Wednesday ET

Carmen Reinhart and Kenneth Rogoff analyze long-run crisis data to find the root causes of financial crises for better bank capital regulation and asset market stabilization.

Carmen Reinhart and Kenneth Rogoff delve into several centuries of cross-country crisis data to find the key root causes of financial crises for asset marke

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Thomas Piketty empirically shows that the top 1% cohort rakes in 20%+ of U.S. national income.

Daisy Harvey

2018-09-01 07:34:00 Saturday ET

Thomas Piketty empirically shows that the top 1% cohort rakes in 20%+ of U.S. national income.

As the French economist who studies global economic inequality in his recent book *Capital in the New Century*, Thomas Piketty co-authors with John Bates Cl

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Stock Synopsis: With a new Python program, we use, adapt, apply, and leverage each of the mainstream Gemini Gen AI models to conduct this comprehensive fundamental analysis of Salesforce (U.S. stock symbol: $CRM).

Amy Hamilton

2025-10-09 11:30:00 Thursday ET

Stock Synopsis: With a new Python program, we use, adapt, apply, and leverage each of the mainstream Gemini Gen AI models to conduct this comprehensive fundamental analysis of Salesforce (U.S. stock symbol: $CRM).

Stock Synopsis: With a new Python program, we use, adapt, apply, and leverage each of the mainstream Gemini Gen AI models to conduct this comprehensive fund

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