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 6 December 2025

Blog+More

China allows its renminbi currency to slide below the psychologically important threshold of 7-yuan per U.S. dollar.

Charlene Vos

2019-09-13 10:37:00 Friday ET

China allows its renminbi currency to slide below the psychologically important threshold of 7-yuan per U.S. dollar.

China allows its renminbi currency to slide below the key psychologically important threshold of 7-yuan per U.S. dollar. A currency dispute between the U.S.

+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

Modern themes and insights in behavioral finance (Part 2)

Chanel Holden

2022-02-15 14:41:00 Tuesday ET

Modern themes and insights in behavioral finance (Part 2)

Modern themes and insights in behavioral finance   Lee, C.M., Shleifer, A., and Thaler, R.H. (1990). Anomalies: closed-end mutual funds. Journal

+See More

A brief biography of Andy Yeh

Andy Yeh Alpha

2020-11-22 11:30:00 Sunday ET

A brief biography of Andy Yeh

A brief biography of Andy Yeh Andy Yeh is responsible for ensuring maximum sustainable member growth within the Andy Yeh Alpha (AYA) fintech network pla

+See More

Dallas Federal Reserve Bank President Robert Kaplan expects the U.S. economy to grow at 2.2%-2.5% in 2019-2020.

Becky Berkman

2019-06-11 12:33:00 Tuesday ET

Dallas Federal Reserve Bank President Robert Kaplan expects the U.S. economy to grow at 2.2%-2.5% in 2019-2020.

Dallas Federal Reserve Bank President Robert Kaplan expects the U.S. economy to grow at 2.2%-2.5% in 2019-2020 as inflation rises a bit. In an interview wit

+See More

CNBC stock host Jim Cramer recommends Caterpillar and Home Depot during the current U.S. stock market rally.

Charlene Vos

2019-03-15 13:36:00 Friday ET

CNBC stock host Jim Cramer recommends Caterpillar and Home Depot during the current U.S. stock market rally.

CNBC stock host Jim Cramer recommends both Caterpillar and Home Depot as the U.S. bull market is likely to continue in light of the recent Fed Chair comment

+See More