Bubbles

In case you were wondering how you should invest your retirement savings (assuming you're fortunate enough to still have some), yet another study demonstrates that low cost index funds are the way to go:

Basic stock market index funds generally aspire to nothing more than matching the returns of a market benchmark. So in a miserable year for stocks, index funds may not look very appealing. But it turns out that, after fees and taxes, it is the extremely rare actively managed fund or hedge fund