1,682 is the number of days that the Dow Jones Industrial Average has spent rising since hitting rock bottom back in March 6, 2009. It also happens to be the number of days between the Dow's July 8, 1932 bottom and its March 10, 1937 top. From that very day the Dow would begin to decline, at first slowly, and then dramatically from August to November when it white-knuckled almost 50%, marking one of the fastest bear market declines in history. Comparisons of our era to 1937 seems apropos. Both eras exhibit near zero interest rates, excess reserves, and a tepid economic recovery characterized by chronic unemployment. Are the same sorts of conditions that caused the 1937 downturn likely to arise 1,682 days into our current bull market? The classic monetary explanation for 1937 can be found in Friedman & Schwartz's Monetary History . Beginning in August 1936, the Fed announced three successive reserve requirement increases, pushing requirements on checking accounts from 13% t...