If it's a healthy sign when small caps (IWM) lead large caps (SPY) during a rally, then the...
If it's a healthy sign when small caps (IWM) lead large caps (SPY) during a rally, then the recent move higher should come with a warning. Small caps failed to take out their July 19 high and instead made a series of lower highs that month, writes Joe Bell. Actually, the S&P outperformance has been going on for longer than 4 weeks.
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