The Dow 30 fund could continue to rally, but it has major resistance at that price gap where the horizontal is drawn.
The iShares Transportation Average ETF (NYSE:IYT) is a much tougher chart to read, but the horizontal (anchored to the price gap) provides a similar target for important resistance.
The Utilities Select Sector SPDR Fund (NYSE:XLU) bears no resemblance to its siblings, and its pattern is more of a symmetric triangle. This looks bearish provided it does not exceed the dashed line I’ve drawn.