The article presents inflation-adjusted stock charts, showing the total real returns of different asset classes, including stocks, savings, and cash, since December 31, 1926. The charts reveal that the broad US stock market has grown at a rate of 7.07% per year, while the purchasing power of the US dollar has decreased by 2.91% per year. The article highlights the importance of considering inflation and reinvested income when evaluating investment performance. The site provides various charts and data to help users understand the growth of $10,000 investments in different asset classes over time.