All three of these charts say the same thing: the market is in a bull phase. Also notice the cumulative volume on the up moves (market with the green x's) is higher than the volume of the price declines.
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However, the NY and NASDAQ advance/decline lines aren't looking that strong right now.
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Despite the new highs on the Dow for what seems like forever, the Advance decline line is in a range for most of May. The NASDAQ advance decline line is declining. Both of these charts indicate the market's recent advance is on shaky ground and a pullback should be surprising.