As I recall,they said the same thing at the following Milestones in the DOW:
500
600
700
800
900
1000 (most vigourously)
.
.
5,000 (Really)
6,000 (Really, Really)
.
.
.
10,000 (OMG...REALLY! IT WILL CRASH! IT WILL NEVER...)
.
.
.
12,000 (OKAY, I REALLY MEAN THIS IS UNREALISTIC! WHERE IS THAT DAMNED FED?)
.
.
.
12,001
12,002
.
.
.
INSERT YOUR NUMBER HERE AND ACCOMPANYING HYSTERICAL RANT. TAKE COMFORT THAT AT SOME POINT IN TIME, YOU MAY BE RIGHT. YOU JUST HAVE TO WAIT A WHILE AND HOPE NOBODY REMEMBERS YOU SAYING IT ALL THOSE OTHER TIMES.
Dont forget Alan GreenSpam saying the market had a sense of "irrational exhuberance" when it was below 4000...
The Spammer was wrong for most of his career...