Buffett rejects the efficient markets hypothesis, but still recommends low-cost index funds for most ordinary investors.

Buffett's hamburger quiz provides a valuable framework for reorienting how investors view market volatility: For long-term ...

Leveraged volatility exchange-traded funds are specialized exchange-traded funds that use derivatives and borrowed capital to ...

"If you're thinking about buying the dip, then you're looking at market losses in a healthy manner," said Peter Lazaroff, chief investment officer of Plancorp and a member of Investopedia's advisor ...

Incompetent government policy toward trade and finances can lead investors to demand a greater risk premium on sovereign debt ...

Tesla’s cars have catapulted the company into the spotlight as one of the most successful independent automakers. Learn about ...

Financial fragilities and feelings of social isolation create a powerful combination for being a victim of financial fraud.

The biggest investment mistakes aren’t about picking the wrong stocks, they're about falling into predictable traps. "If you avoid unforced errors, you’ll already be ahead of most investors," Ritholtz ...

Get more of a good thing! Our weekly newsletter highlights our top stories, our special offers, and upcoming jazz events near you.

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 ...

Behavioral Finance Adam Hayes Adam Hayes's expertise lies in the social studies of economic behavior, finance, and technology. He writes about the influence of social forces on economic choice ...