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 ...

The telecommunications industry includes a range of companies that provide residential and commercial communications solutions. It could be a good time to invest in the sector — operations have ...

Elvis Picardo is a regular contributor to Investopedia and has 25+ years of experience as a portfolio manager with diverse capital markets experience. Dr. JeFreda R. Brown is a financial consultant, ...

The skeleton allows movement, provides support and protection for vital organs and makes blood cells. Skeletal muscles move the bones in the body. The skeletal system is made from bones and joints.