Another data point, the same message:
In the last 82 years — the history of the Standard & Poor’s 500 — the stock market has been through one Great Depression and numerous recessions. It has experienced bubbles and busts, bull markets and bear markets.
But it has never seen a 10-year stretch as bad as the one that ended last month.
Over the 10 years through January, an investor holding the stocks in the S.& P.’s 500-stock index, and reinvesting the dividends, would have lost about 5.1 percent a year after adjusting for inflation, as is shown in the accompanying chart.
Here’s the relevant graph from The New York Times.