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 2 May 2026

Blog+More

Apple shakes up senior leadership to initiate a new transition from iPhone revenue reliance to media and software services.

John Fourier

2019-02-21 12:37:00 Thursday ET

Apple shakes up senior leadership to initiate a new transition from iPhone revenue reliance to media and software services.

Apple shakes up senior leadership to initiate a new transition from iPhone revenue reliance to media and software services. These changes include the key pr

+See More

President Trump tweets that Apple can avoid tariff consequences by shifting its primary supply chain from China to America.

Olivia London

2018-09-11 18:36:00 Tuesday ET

President Trump tweets that Apple can avoid tariff consequences by shifting its primary supply chain from China to America.

President Trump tweets that Apple can avoid tariff consequences by shifting its primary supply chain from China to America. These Trump tariffs on another $

+See More

Dr Karl Ulrich explains that many elite universities now provide massive open online courses (MOOCs) for lifelong learners to achieve their medium-term goals for better intellectual focus, immersion, personal growth, and self-improvement.

Charlene Vos

2025-08-09 11:31:00 Saturday ET

Dr Karl Ulrich explains that many elite universities now provide massive open online courses (MOOCs) for lifelong learners to achieve their medium-term goals for better intellectual focus, immersion, personal growth, and self-improvement.

Wharton e-commerce entrepreneurship professor Dr Karl Ulrich explains that many top-notch universities now provide massive open online courses (MOOCs) for m

+See More

Apple settles its 2-year intellectual property lawsuit with Qualcomm by agreeing to a multi-year patent license.

Charlene Vos

2019-05-01 09:27:00 Wednesday ET

Apple settles its 2-year intellectual property lawsuit with Qualcomm by agreeing to a multi-year patent license.

Apple settles its 2-year intellectual property lawsuit with Qualcomm by agreeing to a multi-year patent license with royalty payments to the microchip maker

+See More

With its novel SnapChat app, Snap IPO achieves $30 billion stock market valuation!

Olivia London

2017-03-03 05:39:00 Friday ET

With its novel SnapChat app, Snap IPO achieves $30 billion stock market valuation!

As the biggest IPO since Alibaba in recent years, Snap Inc with its novel instant-messaging app SnapChat achieves $30 billion stock market capitalization.

+See More

Macro eigenvalue volatility helps predict some recent episodes of high economic policy uncertainty.

James Campbell

2020-09-15 08:38:00 Tuesday ET

Macro eigenvalue volatility helps predict some recent episodes of high economic policy uncertainty.

Macro eigenvalue volatility helps predict some recent episodes of high economic policy uncertainty, recession risk, or rare events such as the recent rampan

+See More