The crisis ran its course in three days, but, needless to say, the post-mortems took longer. One of de la Vega’s observations about the Amsterdam traders was that they were “very clever in inventing reasons” for a sudden rise or fall in stock prices, and the Wall Street pundits certainly needed all the cleverness they could muster to explain why, in the middle of an excellent business year, the market had suddenly taken its second-worst nose dive ever up to that moment.