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 11 April 2026

Blog+More

Global climate change can cause an adverse impact on long-term real GDP economic growth.

Dan Rochefort

2019-10-27 17:37:00 Sunday ET

Global climate change can cause an adverse impact on long-term real GDP economic growth.

International climate change can cause an adverse impact on long-term real GDP economic growth. USC climate change economist Hashem Pesaran and his co-autho

+See More

North Korean leader and president Kim Jong-Un seeks peaceful resolution and denuclearization on the Korean Peninsula.

Olivia London

2018-04-11 09:37:00 Wednesday ET

North Korean leader and president Kim Jong-Un seeks peaceful resolution and denuclearization on the Korean Peninsula.

North Korean leader and president Kim Jong-Un seeks peaceful resolution and denuclearization on the Korean Peninsula. When *peace* comes to shove, Asia

+See More

David Solomon succeeds Lloyd Blankfein as the new CEO of Goldman Sachs.

Fiona Sydney

2018-03-09 08:33:00 Friday ET

David Solomon succeeds Lloyd Blankfein as the new CEO of Goldman Sachs.

David Solomon succeeds Lloyd Blankfein as the new CEO of Goldman Sachs. Unlike his predecessors Lloyd Blankfein and Gary Cohn, Solomon has been an investmen

+See More

Saudi Aramco unveils the financial secrets of the most profitable corporation in the world.

Jacob Miramar

2019-04-13 14:28:00 Saturday ET

Saudi Aramco unveils the financial secrets of the most profitable corporation in the world.

Saudi Aramco unveils the financial secrets of the most profitable corporation in the world. In its recent public bond issuance prospectus, Aramco offers the

+See More

We assess almost all aspects of the current global race toward artificial general intelligence (AGI) between both the U.S. and China.

Monica McNeil

2027-10-31 00:00:00 Sunday ET

We assess almost all aspects of the current global race toward artificial general intelligence (AGI) between both the U.S. and China.

In the technological race between the U.S. and China, America leads in some strategic sectors from AI large language models (LLM), graphics processing units

+See More

IMF chief economist Gita Gopinath indicates that competitive currency devaluation may be an ineffective solution to improving export prospects.

Fiona Sydney

2019-10-09 16:46:00 Wednesday ET

IMF chief economist Gita Gopinath indicates that competitive currency devaluation may be an ineffective solution to improving export prospects.

IMF chief economist Gita Gopinath indicates that competitive currency devaluation may be an ineffective solution to improving export prospects. In the form

+See More