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....

+See More


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 27 June 2026

Blog+More

Foxconn invests $10 billion in a new manufacturing plant for LCD display panels in Wisconsin.

Chanel Holden

2017-07-13 08:35:00 Thursday ET

Foxconn invests $10 billion in a new manufacturing plant for LCD display panels in Wisconsin.

President Donald Trump has announced that a major Apple iPhone upstream supplier, Foxconn Technology Group (aka Hon Hai Precision Group), will invest $10 bi

+See More

OECD cuts the global economic growth forecast from 3.5% to 3.3% for the current fiscal year 2019-2020.

Rose Prince

2019-03-27 11:28:00 Wednesday ET

OECD cuts the global economic growth forecast from 3.5% to 3.3% for the current fiscal year 2019-2020.

OECD cuts the global economic growth forecast from 3.5% to 3.3% for the current fiscal year 2019-2020. The global economy suffers from economic protraction

+See More

Apple settles its 2-year intellectual property lawsuit with Qualcomm by agreeing to a multi-year patent license.

Charlene Vos

2019-05-01 09:27:00 Wednesday ET

Apple settles its 2-year intellectual property lawsuit with Qualcomm by agreeing to a multi-year patent license.

Apple settles its 2-year intellectual property lawsuit with Qualcomm by agreeing to a multi-year patent license with royalty payments to the microchip maker

+See More

The Chinese administration delivers a written response to U.S. demands for trade reforms.

Olivia London

2018-11-25 12:37:00 Sunday ET

The Chinese administration delivers a written response to U.S. demands for trade reforms.

The Chinese administration delivers a written response to U.S. demands for trade reforms. This strategic move helps trigger more formal negotiations between

+See More

President Trump picks David Malpass to run the World Bank to curb international multilateralism.

Rose Prince

2019-02-07 07:25:00 Thursday ET

President Trump picks David Malpass to run the World Bank to curb international multilateralism.

President Trump picks David Malpass to run the World Bank to curb international multilateralism. The Trump administration seems to prefer bilateral negotiat

+See More

Apple revises down its global sales revenue estimate to $83 billion due to subpar smartphone sales in China.

James Campbell

2019-01-09 07:33:00 Wednesday ET

Apple revises down its global sales revenue estimate to $83 billion due to subpar smartphone sales in China.

Apple revises down its global sales revenue estimate to $83 billion due to subpar smartphone sales in China. Apple CEO Tim Cook points out the fact that he

+See More