The long-awaited actively managed PowerShares ETFs finally launched April 11, significantly expanding what had been a field of one.

Study looks at market reactions in the past when Fed interest rate moves surprised investors. 

Ben Stein's latest book gets a few critical reviews as merits of gold and Roth 401(k) plans are also debated.

Unlikely pair team up to build a better mousetrap that none of the industry's big boys would even dare try.

Improving fundamental signals combine with soaring technical factors to push broader popularity of new funds.

A fixed rate of withdrawal is fine for starters, but have a backup to mitigate risk.

New versions diversify to add more asset classes.

Resistance proves futile as longtime index mutual fund investor joins the ETF collective.