From Boats to Brokers From the Dutch East India Company to Wall Street, the stock market has a long and storied history. Share | Related Content The Cycle of Investing Understanding the cycle of investing may help you avoid easy pitfalls. Rebalancing Your Portfolio Over time, different investments' performances can shift a portfolio’s intent and risk profile. Rebalancing may be critical. Keys to Investing for Retirement There are some key concepts to understand when investing for retirement.