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 MoreSharpe-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 18 April 2026
2020-07-05 11:31:00 Sunday ET

Business entrepreneurs dare to dream, remain true and authentic to themselves, and try to make a great social impact in the world. Alex Malley (2014)
2019-02-02 11:36:00 Saturday ET

The Trump administration teams up with western allies to bar HuaWei and other Chinese tech firms from building the 5G high-speed infrastructure due to natio
2022-10-05 08:24:00 Wednesday ET

Precautionary-motive and agency reasons for corporate cash management Bates, Kahle, and Stulz (JF 2009) empirically find that public firms have doubled t
2019-03-01 13:36:00 Friday ET

Global economic uncertainty now lurks in a thick layer of mystery. This uncertainty arises from Sino-U.S. trade tension, Brexit fallout, monetary policy nor
2023-02-03 08:27:00 Friday ET

Our proprietary alpha investment model outperforms most stock market indices from 2017 to 2023. Our proprietary alpha investment model outperforms the ma
2018-12-19 17:41:00 Wednesday ET

Tencent Music Entertainment debuts its IPO on NYSE to strike a chord with stock market investors. Tencent Music goes public and marks the biggest IPO by a m