While the S&P 500 Index continues its post-election surge, breaking through key resistance levels, the NASDAQ 100 is struggling to keep up.This catch-up is prompting JPMorgan analyst Jason Hunter to ask: Is this a shift in market leadership or a temporary pause for the tech-heavy index?S&P 500 Breaks Out, NASDAQ 100 StallsAfter the S&P 500 re-accelerated through April's channel resistance and the 5850-5878 highs post-election, the index remains firmly bullish, with key support holding in the 5600s. The next ...