How To Combat Recency Bias

MY FIRST DAY IN the investment industry was—unfortunately—not so great. On the morning of Sept. 15, 2008, the investment bank Lehman Brothers filed for bankruptcy, sending the stock market into a free fall. The rest of 2008 was equally ugly, with the S&P 500 losing 37% for the year. But that experience provided investors with a valuable lesson—about the power of recency bias.