[pcabc]

There is some correlation of this discussion with a plot of the relative strenght (not Mansfield) of the S&P600 (small cap) against the S&P500 (large cap):
   

THis is good as it implies that the weight of evidence approach it likely to work when what you see in one breadth indicator matches what is seen in the indicies.

(not that I ever doubted it, but confirmation that things correlate as expected builds confidence).