ASU professor Hendrik Bessembinder's research says historically, few stocks increase wealth.

Individual investors sometimes make decisions that are “irrational”—   mistakes they know they shouldn’t be making. So what causes investors to make these mistakes? What causes some investors to be less prone to biased investment decision making and others to be more susceptible to it?

Professor of Finance Hendrik Bessembinder's study proves diversified, low-cost mutual funds are the way to go.

Research results reinforce the importance of portfolio diversification and show why many actively managed investments often underperform their benchmarks.

After decades of debate, Clinical Associate Professor of Finance Geoffrey Smith says he and a colleague have discredited the "Weekend Effect."

Many believe liquidity — the ease and cost-efficiency with which investors can buy or sell bonds — isn’t what it was before the recession. Hank Bessembinder, professor of finance at the W. P.