The three main categories of investments are stocks, bonds, and cash - and they all come with their own risks and rewards. Here's how to balance your investments to best achieve your goals. (This video is a part of our new series, How to Invest. Subscribe to our free newsletter! https://www.marketwatch.com/newsletters#mktw-hti) | MarketWatch

Here's what you need to know before you start investing to set yourself up for long-term success. (This video is part of our new series, How to Invest. Subscribe to our free newsletter! https://www.marketwatch.com/newsletters#mktw-hti) | MarketWatch