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 ...

A "heroic" rail worker who tried to stop a knife attacker as he carried out a mass stabbing on a high-speed train remains in a life-threatening condition. A 32-year-old man who was arrested after the ...

Ionut Ilascu is a technology writer with a focus on all things cybersecurity. The topics he writes about include malware, vulnerabilities, exploits and security defenses, as well as research and ...