December 5th 1996: After rising 210% off the 1987 crash lows, Alan Greenspan speaking at the American Enterprise Institute in Washington, asks: "But how do we know when irrational exuberance has unduly escalated asset values, which then become subject to unexpected and prolonged contractions as they have in Japan over the past decade?" The next day, the Dow Jones Industrial Average slumps by 1% to close at 6,381.94; over the next three years, the market nearly doubles...then crashes...then doubles... then crashes... and then triples in the last five years... "rational exuberance"
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Charts: Bloomberg
