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 30 May 2026

Blog+More

President Xi seeks Chinese congressional approval for abolishing his term limits of strongman rule with better trade deals and economic ties.

Jacob Miramar

2018-03-03 11:37:00 Saturday ET

President Xi seeks Chinese congressional approval for abolishing his term limits of strongman rule with better trade deals and economic ties.

President Xi seeks Chinese congressional approval and constitutional amendment for abolishing his term limits of strongman rule with more favorable trade de

+See More

Kobe Bryant and several other star athletes have been smart savvy investors.

Charlene Vos

2019-08-08 09:35:00 Thursday ET

Kobe Bryant and several other star athletes have been smart savvy investors.

Kobe Bryant and several other star athletes have been smart savvy investors. In collaboration with former Web.com CEO Jeff Stibel, the NBA champion invests

+See More

Joseph Stiglitz and Andrew Charlton suggest that free trade helps promote better economic development worldwide.

Monica McNeil

2023-07-21 10:30:00 Friday ET

Joseph Stiglitz and Andrew Charlton suggest that free trade helps promote better economic development worldwide.

Joseph Stiglitz and Andrew Charlton suggest that free trade helps promote better economic development worldwide. Joseph Stiglitz and Andrew Charlton (200

+See More

Several feasible near-term reforms can substantially narrow the scope for global tax avoidance by closing information loopholes.

Apple Boston

2023-03-14 16:43:00 Tuesday ET

Several feasible near-term reforms can substantially narrow the scope for global tax avoidance by closing information loopholes.

Several feasible near-term reforms can substantially narrow the scope for global tax avoidance by closing information loopholes. Thomas Pogge and Krishen

+See More

AYA finbuzz podcast offers fresh insights into the latest stock market topics and economic trends for better stock investment decisions.

Daphne Basel

2019-09-30 07:33:00 Monday ET

AYA finbuzz podcast offers fresh insights into the latest stock market topics and economic trends for better stock investment decisions.

AYA Analytica finbuzz podcast channel on YouTube September 2019 In this podcast, we discuss several topical issues as of September 2019: (1) Former

+See More

IMF chief economist Gita Gopinath predicts no global recession with key downside risks at this delicate moment.

Charlene Vos

2019-04-29 08:35:00 Monday ET

IMF chief economist Gita Gopinath predicts no global recession with key downside risks at this delicate moment.

IMF chief economist Gita Gopinath predicts no global recession with key downside risks at this delicate moment. First, trade tensions remain one of the key

+See More