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

Disruptive innovators often apply their 5 major skills in new niche discovery and market share dominance.

James Campbell

2020-05-07 08:26:00 Thursday ET

Disruptive innovators often apply their 5 major skills in new niche discovery and market share dominance.

Disruptive innovators often apply their 5 major pragmatic skills in new blue-ocean niche discovery and market share dominance. Jeff Dyer, Hal Gregersen,

+See More

Janet Yellen worries about U.S. government debt accumulation, expects new interest rate increases, and warns of the next economic recession.

Amy Hamilton

2018-11-05 10:40:00 Monday ET

Janet Yellen worries about U.S. government debt accumulation, expects new interest rate increases, and warns of the next economic recession.

Former Fed Chair Janet Yellen worries about U.S. government debt accumulation, expects new interest rate increases, and warns of the next economic recession

+See More

Commerce Secretary Wilbur Ross suggests that 5G remains a U.S. top technology priority in light of the Sprint-T-Mobile telecom merger.

Amy Hamilton

2018-05-04 06:29:00 Friday ET

Commerce Secretary Wilbur Ross suggests that 5G remains a U.S. top technology priority in light of the Sprint-T-Mobile telecom merger.

Commerce Secretary Wilbur Ross suggests that 5G remains a U.S. top technology priority in light of the telecom merger proposal between Sprint and T-Mobile a

+See More

The world now faces an economic inequality crisis with few policy options.

Daisy Harvey

2018-01-04 07:36:00 Thursday ET

The world now faces an economic inequality crisis with few policy options.

The world now faces an economic inequality crisis with few policy options. Some recent U.S. Federal Reserve data suggest that both income and wealth inequal

+See More

Microsoft acquires GitHub, a software development platform that has been widely shared-and-used by 28 million programmers worldwide.

Joseph Corr

2018-06-04 08:38:00 Monday ET

Microsoft acquires GitHub, a software development platform that has been widely shared-and-used by 28 million programmers worldwide.

Microsoft acquires GitHub, a software development platform that has been widely shared-and-used by more than 28 million programmers worldwide. GitHub's

+See More

U.S. automobile and real estate sales decline despite higher consumer confidence and low unemployment as of October 2018.

Fiona Sydney

2018-10-27 09:34:00 Saturday ET

U.S. automobile and real estate sales decline despite higher consumer confidence and low unemployment as of October 2018.

U.S. automobile and real estate sales decline despite higher consumer confidence and low unemployment as of October 2018. This slowdown arises from the curr

+See More