Investors are likely familiar with Block (SQ -2.26%), the budding payments and technology enterprise. It caters to merchants with its Square platform, while Cash App targets individuals.Growth has been outstanding historically, but the fintech stock hasn't panned out as hoped. It's up just 49% in the past five years and currently trades 65% below its peak from August 2021. This is despite shares rising 58% in the past four months.Investors looking to invest in Block while it's still down should know these t ...