American Shared Hospital Services Common Stock (AMEX:AMS)

Real-time price: | Most recent change:0.00%

American Shared Hospital Services provides turnkey technology solutions for advanced radiosurgical and radiation therapy services. AMS is the world leader in providing Gamma Knife radiosurgery services, a non-invasive treatment for malignant and benign brain tumors, vascular malformations and trigeminal neuralgia . The Company also offers the latest IGRT and IMRT systems, as well as its proprietary Operating Room for the twenty first Century concept. Through its equity investment in Still River Systems, AMS also plans to complement these services with the Clinatron-two hundred fifty, proton beam radiation therapy system, which has not yet been approved by the FDA....

+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 16 May 2026

Blog+More

New Keynesian monetary policy framework

Monica McNeil

2023-09-21 09:26:00 Thursday ET

New Keynesian monetary policy framework

Jordi Gali delves into the science of the New Keynesian monetary policy framework with economic output and inflation stabilization. Jordi Gali (2015)

+See More

Lyft seeks to go public with a dual-class stock ownership structure that allows the co-founders to retain significant influence.

Amy Hamilton

2019-03-11 10:32:00 Monday ET

Lyft seeks to go public with a dual-class stock ownership structure that allows the co-founders to retain significant influence.

Lyft seeks to go public with a dual-class stock ownership structure that allows the co-founders to retain significant influence over the rideshare tech unic

+See More

What are the primary pros and cons of free trade or fair trade in the current Sino-American quagmire?

Jonah Whanau

2018-05-02 06:32:00 Wednesday ET

What are the primary pros and cons of free trade or fair trade in the current Sino-American quagmire?

What are the primary pros and cons of free trade or fair trade in the current Sino-American quagmire? Free trade means allowing goods and services to move a

+See More

U.S. Treasury officially designates China a key currency manipulator in the broader context of Sino-American trade dispute resolution.

Becky Berkman

2019-09-15 14:35:00 Sunday ET

U.S. Treasury officially designates China a key currency manipulator in the broader context of Sino-American trade dispute resolution.

U.S. Treasury officially designates China a key currency manipulator in the broader context of Sino-American trade dispute resolution. The U.S. Treasury cla

+See More

Macro economic innovations and asset alphas show significant mutual causation.

Olivia London

2023-12-03 11:33:00 Sunday ET

Macro economic innovations and asset alphas show significant mutual causation.

Macro innovations and asset alphas show significant mutual causation. April 2023   This brief article draws from the recent research publicati

+See More

The Economist digs deep into the political economy of U.S. government shutdown over 3 days in January 2018.

Apple Boston

2018-01-13 08:39:00 Saturday ET

The Economist digs deep into the political economy of U.S. government shutdown over 3 days in January 2018.

The Economist digs deep into the political economy of U.S. government shutdown over 3 days in January 2018. In more than 4 years since 2014, U.S. government

+See More