We have reliable breadth data going back to 1962.
In all that time, there have been 5 other days when the S&P 500 was up 0.75% or more and
yet there were more decliners than advancers (issues and volume) on the NYSE.
All but one of those dates were in 2000 and 2008.
@sentimentrader
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NYSE --- Latest Close --- Previous Close --- Week Ago
Issues traded 3,069 3,056 3,065
Advances 1,277 1,629 1,093
Declines 1,693 1,336 1,899
Unchanged 99 91 73
* time is our most under appreciated & valuable asset, lest we squander it *