DBS Brokeout from Symmetrical Triangle?

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DBS chart looks interesting today. My previous blog post on DBS talks about a Symmetrical Triangle Formation here

A) DBS showing Symmetrical Triangle Formation

B) Bullish MACD Signal crossover initiated the uptrend and currently moving into positive momentum

C) Price broke out from its Symmetrical Triangle Formation but without an expansion in volume 

The breakout may not be justified without a volume expansion. RSI(72.67) indicates an overbought situation. However the uptrend support is still very consistent.