Financial advisors have long advocated a mix of 60% stocks / 40% bonds to cushion portfolios from downturns in the stock market. The thinking is that stocks go up in the long-term, hence, that’s where investors should allocate the most. At the same time, advisors acknowledge that stock prices can sometimes go down so “less risky” bonds will provide at least some protection. The problem with this investment strategy is that bonds can go into bear markets too. Moreover, they can do so at the same time as stocks. Let’s review what happened during the Great Depression of the early 1930s.