Real estate, stock markets, and mutual funds have seen massive increases in the last three decades. Why?
Since peaking in the early ’80s, central banks have been lowering interest rates to grow the economy and increase wealth.
Source: FactSet. Data as of 12/31/17 
Over 200 years of interest rate data tell us that interest rates move in 60-year cycles. On average, 30 years up and 30 years down. These historic low-interest rates are coming to an end.