Inflation and Your Portfolio Even low inflation rates can pose a threat to investment returns. Share | Related Content 16 Wall Street Cliches in 60 Seconds Pundits say a lot of things about the markets. Let's see if you can keep up. Types of Stock Market Analysis Most stock market analysis falls into three broad groups: Fundamental, technical, and sentimental. Here’s a look at each. Impact of Taxes and Inflation Estimate the potential impact taxes and inflation can have on the purchasing power of an investment.