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

Strategic managers envision lofty purposes to enjoy incremental consistent progress over time.

Jonah Whanau

2020-10-06 09:31:00 Tuesday ET

Strategic managers envision lofty purposes to enjoy incremental consistent progress over time.

Strategic managers envision lofty purposes to enjoy incremental consistent progress over time. Allison Rimm (2015)   The joy of strategy: a bu

+See More

Snap cannot keep up with the Kardashians because its stock loses $1 billion market value after Kylie Jenner tweets about her decision to leave Snapchat.

Monica McNeil

2018-02-19 08:39:00 Monday ET

Snap cannot keep up with the Kardashians because its stock loses $1 billion market value after Kylie Jenner tweets about her decision to leave Snapchat.

Snap cannot keep up with the Kardashians because its stock loses market value 7% or $1 billion after Kylie Jenner tweets about her decision to leave Snapcha

+See More

Our fun podcasts deep-dive into the current global trends, topics, and issues in support of better stock market investment decisions.

Daphne Basel

2025-02-27 07:24:00 Thursday ET

Our fun podcasts deep-dive into the current global trends, topics, and issues in support of better stock market investment decisions.

Our AYA fun podcasts deep-dive into the current global trends, topics, and issues in macro finance, political economy, public policy, strategic management,

+See More

The Economist offers a special report that the new normal state of economic affairs shines fresh light on the division of labor between central banks and governments.

Jonah Whanau

2019-11-15 13:34:00 Friday ET

The Economist offers a special report that the new normal state of economic affairs shines fresh light on the division of labor between central banks and governments.

The Economist offers a special report that the new normal state of economic affairs shines fresh light on the division of labor between central banks and go

+See More

A congressional division between Democrats and Republicans can cause ripple effects on Trump economic reforms.

Becky Berkman

2018-11-29 11:33:00 Thursday ET

A congressional division between Democrats and Republicans can cause ripple effects on Trump economic reforms.

A congressional division between Democrats and Republicans can cause ripple effects on Trump economic reforms. As Democrats have successfully flipped the Ho

+See More

Treasury bond yield curve inversion often signals the next economic recession in America.

Monica McNeil

2018-10-11 08:44:00 Thursday ET

Treasury bond yield curve inversion often signals the next economic recession in America.

Treasury bond yield curve inversion often signals the next economic recession in America. In fact, U.S. bond yield curve inversion correctly predicts the da

+See More