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 4 July 2026
2019-05-19 19:31:00 Sunday ET

MIT professor and co-author Daron Acemoglu suggests that economic prosperity comes from high-wage job creation. Progressive tax redistribution cannot achiev
2018-06-03 07:35:00 Sunday ET

Several recent events explain why Trump may undermine multilateral world order. First, Trump withdraws the U.S. from the 12-nation Trans-Pacific Partnership
2019-04-09 11:29:00 Tuesday ET

The U.S. Treasury yield curve inverts for the first time since the Global Financial Crisis. The key term spread between the 10-year and 3-month U.S. Treasur
2025-03-03 04:11:06 Monday ET

Is higher stock market concentration good or bad for Corporate America? In recent years, S&P 500 stock market returns exhibit spectacular concentrati
2019-08-28 14:46:00 Wednesday ET

Santa-Barbara political economy professor Benjamin Cohen proposes new fiscal stimulus to complement the current low-interest-rate monetary policy. Cohen fin
2026-02-02 12:30:00 Monday ET

With U.S. fintech patent approval, accreditation, and protection for 20 years, our proprietary alpha investment model outperforms most stock market indexes