Adam Hayes, Ph.D., CFA, is a financial writer with 15+ years Wall Street experience as a derivatives trader. Besides his extensive derivative trading expertise, Adam is an expert in economics and ...

In a nutshell, beta is a measure of how reactive a stock is to overall market movements – particularly those of the S&P 500 benchmark index. Obviously, stocks move individually, and for a variety of ...

The FCC is in the process of revamping its website. The top of its homepage at www.fcc.gov features a banner announcing “a new FCC.gov.” Click on that banner and you get transported to the beta ...

This artist’s view shows the planet orbiting the young star Beta Pictoris. This exoplanet is the first to have its rotation rate measured. Its eight-hour day corresponds to an equatorial rotation ...

So my company has asked me to lead the development of external beta-testing groups for a number of projects we have in house. Basically, we've done some limited in-house beta testing among employees, ...

Planets acquire their rotation when they are formed, taking angular momentum from the impacts that shape them. There is a relationship between the mass of a planet and the speed of its spin, except ...

BETA-hemolytic streptococci of Lancefield Group B have been implicated in human disease almost from the time when the precipitin-grouping technic first came into use. 1–3 Since that time additional ...