With marijuana legalization riding high, investors are looking for ways to play the trend. So far, though, even the biggest companies in this green rush have yet to turn a profit.

All-time highs for the S&P 500 are masking soft spots on this peachy market. Here's how to keep your portfolio safe from decay.

Great jobs numbers have stock investors cheering. But what about bonds?

Reason 1: When this rally began in March 2009, the Dow was more than 10,000 points below where it stands today.

Q: Does investing in a "total stock market index fund" give you diversified exposure to large-, medium-, and small-sized companies? Or do I need to invest in separate mutual funds for my large- and small-company...

You don't need pricey money managers to help you buy low and sell high.