Buying Square today could be like buying JPMorgan stock in 1871, Mizuho analyst says

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Jesse Pound@/in/jesse-pound@jesserpound
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Jack Dorsey, chief executive officer of Square Inc., second right, tours the floor of the New York Stock Exchange (NYSE) in New York, U.S., on Thursday, Nov. 19, 2015.
Yana Paskova | Bloomberg | Getty Images

Investors are staring at a historic opportunity in Square, which could be the future of banking, according to Mizuho Securities.