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Oxy 5 and 10 both fight this one. But it also refers to a stock which has "broken out" of its expected trading pattern. That is, the stock traded in a very flat U shaped pattern for the last 10 months between $17 and $19, then, suddenly with their recent earnings announcement, the stock's first print at 9:30 a.m. NYT is $26. The new pattern created from that $26 is a break out. Like Oxy 5 and 10, things have... popped.