A few of my clients have had investment accounts with them. It's just like anything else: If you invest more aggresively, you'll see a higher return rate. Mutual funds, which are more middle of the road, were returning something like $300 per month on a $100,000 account. That's a little over 3%, which is not bad. It's not that great, though. Try reading some www.howstuffworks.com articles about investing. Really, which company you choose doesn't make a huge difference; interest rates are always based on the market.