The chart below is one I first learned about from my good friend, Tom McClellan. Tom and I have known each other for 25 years and I always enjoy our email threads regarding research. Below you can see the the S&P 500 in the top chart and one of Tom’s indicators in the bottom which is called the McClellan Summation Index. How it is created doesn’t matter, only that it’s a measure of thrust and participation in rallies and declines. […]
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