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 15 November 2025

Blog+More

Admitting China to the WTO seems ineffective in imparting economic freedom and democracy to the communist regime.

Dan Rochefort

2018-07-27 10:35:00 Friday ET

Admitting China to the WTO seems ineffective in imparting economic freedom and democracy to the communist regime.

Admitting China to the World Trade Organization (WTO) and other international activities seems ineffective in imparting economic freedom and democracy to th

+See More

Credit supply growth drives business cycle fluctuations and often sows the seeds of their own subsequent destruction.

Fiona Sydney

2018-04-26 07:37:00 Thursday ET

Credit supply growth drives business cycle fluctuations and often sows the seeds of their own subsequent destruction.

Credit supply growth drives business cycle fluctuations and often sows the seeds of their own subsequent destruction. The global financial crisis from 2008

+See More

To secure better E.U. economic arrangements, Jeremy Corbyn encourages Labour legislators to back a second referendum on Brexit.

Olivia London

2019-06-17 11:25:00 Monday ET

To secure better E.U. economic arrangements, Jeremy Corbyn encourages Labour legislators to back a second referendum on Brexit.

To secure better economic arrangements with European Union, Jeremy Corbyn encourages Labour legislators to back a second referendum on Brexit. In recent tim

+See More

Fed minutes reflect gradual interest rate normalization in response to high inflation risk.

Dan Rochefort

2018-02-15 07:43:00 Thursday ET

Fed minutes reflect gradual interest rate normalization in response to high inflation risk.

Fed minutes reflect gradual interest rate normalization in response to high inflation risk. FOMC members revise up the economic projections made at the Dece

+See More

Fundamental factors often reflect macroeconomic innovations and so help inform better stock investment decisions.

Jacob Miramar

2019-08-22 11:35:00 Thursday ET

Fundamental factors often reflect macroeconomic innovations and so help inform better stock investment decisions.

Fundamental factors often reflect macroeconomic innovations and so help inform better stock investment decisions. Nobel Laureate Eugene Fama and his long-ti

+See More

Apple and Samsung are the archrivals for the title of the world's top smart phone maker.

Olivia London

2018-06-25 12:43:00 Monday ET

Apple and Samsung are the archrivals for the title of the world's top smart phone maker.

Apple and Samsung are the archrivals for the title of the world's top smart phone maker. The recent patent lawsuit settlement between Apple and Samsung

+See More