Inflation and Your Portfolio Even low inflation rates can pose a threat to investment returns. Share | Related Content From Boats to Brokers From the Dutch East India Company to Wall Street, the stock market has a long and storied history. Investment Challenges of the Affluent Investor Affluent investors face unique challenges when putting together an investment strategy. Make sure you keep these in mind. Taxable vs. Tax-Deferred Savings Use this calculator to compare the future value of investments with different tax consequences.