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 31 January 2026

Blog+More

Central bank independence remains important for core inflation containment in the current age of political populism.

Jonah Whanau

2019-04-21 10:07:54 Sunday ET

Central bank independence remains important for core inflation containment in the current age of political populism.

Central bank independence remains important for core inflation containment in the current age of political populism. In accordance with the dual mandate of

+See More

Our proprietary alpha investment model outperforms most stock market indices from 2017 to 2021.

Apple Boston

2021-02-02 14:24:00 Tuesday ET

Our proprietary alpha investment model outperforms most stock market indices from 2017 to 2021.

Our proprietary alpha investment model outperforms the major stock market benchmarks such as S&P 500, MSCI, Dow Jones, and Nasdaq. We implement

+See More

Capital market liberalization and globalization connect global financial markets to allow an ocean of money to flow through them.

Becky Berkman

2018-06-17 10:35:00 Sunday ET

Capital market liberalization and globalization connect global financial markets to allow an ocean of money to flow through them.

In the past decades, capital market liberalization and globalization have combined to connect global financial markets to allow an ocean of money to flow th

+See More

Eric Posner and Glen Weyl propose radical reforms to resolve key market design problems for better democracy and globalization.

Chanel Holden

2023-02-14 09:31:00 Tuesday ET

Eric Posner and Glen Weyl propose radical reforms to resolve key market design problems for better democracy and globalization.

Eric Posner and Glen Weyl propose radical reforms to resolve key market design problems for better democracy and globalization. Eric Posner and Glen Weyl

+See More

Warren Buffett points out that American children will be better off than their parents in the next decades.

Dan Rochefort

2018-01-05 07:37:00 Friday ET

Warren Buffett points out that American children will be better off than their parents in the next decades.

Warren Buffett cleverly points out that American children will not only be better off than their parents, but the former will also enjoy higher living stand

+See More

International trade, immigration, and elite-mass conflict

Jacob Miramar

2023-12-09 08:28:00 Saturday ET

International trade, immigration, and elite-mass conflict

International trade, immigration, and elite-mass conflict The elite model portrays public policy as a reflection of the interests and values of elites. I

+See More