Invesco RAFI US 1000 ETF (PRF) was launched on 12/19/2005 and tracks the RAFI Fundamental Select US 1000 Index. PRF has a portfolio of 1,081 stocks, a 30-day SEC yield of 1.62%, and a total expense ...

The original version of this story appeared in Quanta Magazine. If you want to solve a tricky problem, it often helps to get organized. You might, for example, break the problem into pieces and tackle ...

Abstract: Determining the best medium pulse repetition frequency (PRF) set for radar has long been a problem. Because it cannot be represented in an analytical form, it is not possible to solve it ...

The Invesco RAFI US 1000 ETF uses a fundamentally weighted, rules-based approach, offering diversification and a value tilt with a balanced growth exposure versus traditional cap-weighted ETFs. The ...

Ever wondered how social media platforms decide how to fill our feeds? They use algorithms, of course, but how do these algorithms work? A series of corporate leaks over the past few years provides a ...

The wait is finally over. A March Madness bracket will be revealed today. In just a few hours, one of the most anticipated events in men's college basketball will commence with Selection Sunday, ...

You might have heard that algorithms are in control of everything you hear, read, and see. They control the next song on your Spotify playlist, or what YouTube suggests you watch after you finish a ...

WEST LAFAYETTE, Ind. — Chad Pittman has been named president and CEO of the Purdue Research Foundation (PRF), effective Feb. 1, 2025. Pittman succeeds Brian Edelman, who served as president since ...

Social media platforms are more than just tools for sharing cat videos or keeping up with friends—they're powerful influencers of public opinion. The algorithms that drive these platforms determine ...

In an era dominated by social media, misinformation has become an all too familiar foe, infiltrating our feeds and sowing seeds of doubt and confusion. With more than half of social media users across ...