NYSE McClellan Summation Index Turns Down

With a downturn in the stock market this week, the NYSE Summation Index ($NYSI) turned back down and broke below its 5-day EMA. This shows that breadth is deteriorating once again. The McClellan Oscillator also turned negative. Note that the Summation Index is a cumulative measure of the McClellan Oscillator. The Summation Index rises when the oscillator is positive and falls when the oscillator is negative.

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