When you think of SQ stock, both the coronavirus pandemic and cryptocurrency Bitcoin quickly come to mind. Now there's a big acquisition to mull for Square stock, not to mention a corporate rebranding. In its core business, Square aims to build a two-sided digital payments ecosystem, with products designed for both merchant sellers and consumer buyers. The Square Cash App helps individuals manage money, buy stocks and more. SQ stock had 44 million Cash App monthly active users at the end of 2021, up 22% from a year earlier. Cash App user growth is key to the outlook for SQ stock. Square is diversifying on the merchant side. Merchants with less than $125,000 in annual payment volume represented only 34% of Square's gross payment volume mix in December, down from 57% in 2016, noted a UBS rep