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 6 December 2025

Blog+More

AYA Analytica podcast provides fresh insights into the latest stock market news, economic trends, and investment portfolio strategies.

Amy Hamilton

2019-04-30 19:46:00 Tuesday ET

AYA Analytica podcast provides fresh insights into the latest stock market news, economic trends, and investment portfolio strategies.

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

+See More

Chinese trade delegation offers to boost purchases of U.S. agricultural products to reach an interim trade deal with the Trump administration.

Peter Prince

2019-11-03 12:30:00 Sunday ET

Chinese trade delegation offers to boost purchases of U.S. agricultural products to reach an interim trade deal with the Trump administration.

Chinese trade delegation offers to boost purchases of U.S. agricultural products to reach an interim trade deal with the Trump administration. Chinese Vice

+See More

President Trump warns Google, Facebook, and Twitter that these tech titans now tread on troublesome territory.

Daphne Basel

2018-08-25 12:33:00 Saturday ET

President Trump warns Google, Facebook, and Twitter that these tech titans now tread on troublesome territory.

President Trump warns Google, Facebook, and Twitter that these tech titans now tread on troublesome territory. Specifically, Trump accuses Google of rigging

+See More

Tax policy pluralism for addressing special interests

Monica McNeil

2023-12-08 08:28:00 Friday ET

Tax policy pluralism for addressing special interests

Tax policy pluralism for addressing special interests Economists often praise as pluralism the interplay of special interest groups in public policy. In

+See More

AYA fintech finbuzz analytic report on the U.S. top tech titans Fall-Winter 2019

Andy Yeh Alpha

2019-11-06 12:29:00 Wednesday ET

AYA fintech finbuzz analytic report on the U.S. top tech titans Fall-Winter 2019

Our fintech finbuzz analytic report shines fresh light on the fundamental prospects of U.S. tech titans Facebook, Apple, Microsoft, Google, and Amazon (F.A.

+See More

America and China play the game of chicken over trade and technology.

John Fourier

2018-05-01 11:38:00 Tuesday ET

America and China play the game of chicken over trade and technology.

America and China play the game of chicken over trade and technology, whereas, most market observers and economic media commentators hope the Trump team to

+See More