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 3 January 2026

Blog+More

The new antitrust enforcement paradigm

Joseph Corr

2023-10-14 10:32:00 Saturday ET

The new antitrust enforcement paradigm

Jonathan Baker frames the current debate over antitrust merger review and enforcement in America. Jonathan Baker (2019)   The antitrust paradi

+See More

Trump's presidential election victory caused an unpredictable *black swan* in almost every non-U.S. stock market in the world.

Fiona Sydney

2016-11-09 00:00:00 Wednesday ET

Trump's presidential election victory caused an unpredictable *black swan* in almost every non-U.S. stock market in the world.

Universally dismissed as a vanity presidential candidate when he entered a field crowded with Republican talent, the former Democrat and former Independent

+See More

Business leaders often think from a systemic perspective, share bold visions, build great teams, and learn new business models.

Becky Berkman

2020-08-05 08:33:00 Wednesday ET

Business leaders often think from a systemic perspective, share bold visions, build great teams, and learn new business models.

Business leaders often think from a systemic perspective, share bold visions, build great teams, and learn new business models. Peter Senge (2006) &nb

+See More

Foreign majority owners offer Sprint and T-Mobile to stop using HuaWei critical technologies after the U.S. telecom merger.

Daphne Basel

2018-12-20 13:40:00 Thursday ET

Foreign majority owners offer Sprint and T-Mobile to stop using HuaWei critical technologies after the U.S. telecom merger.

T-Mobile and Sprint indicate that the U.S. is likely to approve their merger plan as they take the offer from foreign owners to stop using HuaWei telecom te

+See More

Generative artificial intelligence (Gen AI) uses large language models (LLM) to create online contents with better human productivity.

Monica McNeil

2024-10-31 09:26:00 Thursday ET

Generative artificial intelligence (Gen AI) uses large language models (LLM) to create online contents with better human productivity.

Generative artificial intelligence (Gen AI) uses large language models (LLM) and content generation tools to enhance human lives with better productivity.

+See More

Global trade transforms from labor cost arbitrage to high-skill knowledge work.

Laura Hermes

2019-01-29 10:33:00 Tuesday ET

Global trade transforms from labor cost arbitrage to high-skill knowledge work.

Global trade transforms from labor cost arbitrage to high-skill knowledge work. In fact, multinational manufacturers have been trying to create global suppl

+See More