rtokens: Then once we saw the Dow ( Jones industrial average ) was not about to crash , some buyers stepped in , " said a trader , referring to Federal Reserve Chairman Alan Greenspan , whose comments that assets were " irrationally exhuberant " upset financial markets worldwide .
pos: " PRP VBD NNP IN RB .
tokens: " It was Greenspan at first .
ltokens: Mexican stocks closed sharply lower Friday , but had made a tentative recovery as initial panic and volatility abated .