It doesn't matter how skilled you are. It doesn't matter how many or few years of experience you have under your belt.

But if you love stock-index funds, you can broaden your horizons even within the S&P 500. Mixing up your index strategy could pay off with smoother performance for your portfolio over the long term.

RIGHT JOIN (or RIGHT OUTER JOIN): It’s the opposite of a LEFT JOIN. It keeps all rows from the right table and matches from ...