With January sales in full swing, you could save yourself a few dollars on some of these best smart scales. While the Body Mass Index (BMI) is often used as an indicator of health, it only considers ...

James Chen, CMT is an expert trader, investment adviser, and global market strategist. Option margin is the collateral (cash or securities) an investor must deposit before writing or selling options ...

Will Kenton is an expert on the economy and investing laws and regulations. He previously held senior editorial roles at Investopedia and Kapitall Wire and holds a MA in Economics from The New School ...