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 26 September 2026

Blog+More

Clayton Christensen defines the core dilemma of corporate innovation with sustainable and disruptive advances.

Daisy Harvey

2020-04-17 07:23:00 Friday ET

Clayton Christensen defines the core dilemma of corporate innovation with sustainable and disruptive advances.

Clayton Christensen defines and delves into the core dilemma of corporate innovation with sustainable and disruptive advances. Clayton Christensen (2000)

+See More

E.U. antitrust regulators impose a fine on Qualcomm for advancing its exclusive microchip deal with Apple.

Fiona Sydney

2018-01-17 05:30:00 Wednesday ET

E.U. antitrust regulators impose a fine on Qualcomm for advancing its exclusive microchip deal with Apple.

European Union antitrust regulators impose a fine on Qualcomm for advancing its key exclusive microchip deal with Apple to block out rivals such as Intel an

+See More

Federal Reserve remains patient on future interest rate adjustments due to trade and fiscal budget negotiations.

Becky Berkman

2019-02-04 07:42:00 Monday ET

Federal Reserve remains patient on future interest rate adjustments due to trade and fiscal budget negotiations.

Federal Reserve remains patient on future interest rate adjustments due to global headwinds and impasses over American trade and fiscal budget negotiations.

+See More

BlackRock CEO Larry Fink suggests that corporations should make a positive contribution to society apart from boosting the bottomline.

Olivia London

2018-01-09 08:33:00 Tuesday ET

BlackRock CEO Larry Fink suggests that corporations should make a positive contribution to society apart from boosting the bottomline.

BlackRock CEO Larry Fink emphasizes his key conviction that public corporations should make a positive contribution to society apart from boosting the botto

+See More

The Chinese administration delivers a written response to U.S. demands for trade reforms.

Olivia London

2018-11-25 12:37:00 Sunday ET

The Chinese administration delivers a written response to U.S. demands for trade reforms.

The Chinese administration delivers a written response to U.S. demands for trade reforms. This strategic move helps trigger more formal negotiations between

+See More

President Trump refreshes American fiscal fears and sovereign debt concerns through the One Big Beautiful Bill Act.

Jacob Miramar

2025-06-21 05:25:00 Saturday ET

President Trump refreshes American fiscal fears and sovereign debt concerns through the One Big Beautiful Bill Act.

President Trump refreshes American fiscal fears, worries, and concerns through the One Big Beautiful Bill Act. The Congressional Budget Office (CBO) estimat

+See More