This widely used method of calculating returns considers a portfolio's cash flows Will Kenton is an expert on the economy and investing laws and regulations. He previously held senior editorial roles ...

National security, unlocked. Each Thursday, host Mary Louise Kelly and a team of NPR correspondents discuss the biggest national security news of the week. With decades of reporting from battlefields ...

The scrapping of the foundation for U.S. federal climate regulations has upended energy investor narratives that have prevailed so far this decade, and is sparking a re-think on which sectors might ...

Circular dichroism is the difference in the absorption of left- and right-handed circularly polarized light that occurs when a molecule contains one or more chiral, light-absorbing groups. It is used ...

Since Nvidia agreed last month to invest $100 billion in its customer OpenAI, investors and analysts who follow artificial intelligence have awakened to that industry’s circularity.