It erodes not only wealth, but also trust.  

Despite some extreme stock market moves, recent market performance hasn't been that far outside the norm, says Morningstar's Amy Arnott.

If it's been a while since you last looked at your portfolio weightings, you may need to make some adjustments.

Investors can take smaller steps to reduce a portfolio’s risk profile without making a sweeping overhaul.

Why adding more asset classes isn't always helpful.