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broke out of the trendline, ATH's dead ahead!

I had some extra time; This is only my point of view. Your decisions are your own. It could be like this;

Trend is up but small correction up ahead. Submicrowaves can be wrong, I only look at it 12 hours chart perspective

You can't say that it was a symmetrical triangle because for it to be a symmetrical triangle, the bars need to touch the upper trendline and the bottom trendline twice. The bottom trendline is only touched once.

It would be better labeled as just a consolidation.