J.B. Maverick is an active trader, commodity futures broker, and stock market analyst 17+ years of experience, in addition to 10+ years of experience as a finance writer and book editor. Erika Rasure ...

When the IBM PC was new, I served as the president of the San Francisco PC User Group for three years. That’s how I met PCMag’s editorial team, who brought me on board in 1986. In the years since that ...

Troy Segal is an editor and writer. She has 20+ years of experience covering personal finance, wealth management, and business news. Samantha (Sam) Silberstein, CFP®, CSLP®, EA, is an experienced ...

Endoscopy is the insertion of a long, thin tube directly into the body to observe an internal organ — such as the gastrointestinal tract — in detail. Doctors can also use it in imaging, surgery, and ...