The phrase "upside break" means that something, like a stock price or a trend, has successfully moved above a particular level or barrier, signifying positive or bullish movement.
Sentences with «upside break»
Such a move would confirm upside break of the falling channel pattern and could yield $ 2,900 - $ 3,000. (links2exchange.net)
There was a small upside break above $ 1040 during the trading session yesterday. (fxstreet.com)
It was a technical upside break, but due to pressure on altcoins, DigixDAO may not gain further. (cryptonews.com)