Docusign is quietly putting together an incredibly bullish case for its stock.The COVID-19 pandemic created a series of tailwinds for document technology company Docusign (DOCU -1.44%), because its software allows businesses to draft, negotiate, and close deals in the cloud. Demand soared when lockdowns and social restrictions took effect, which propelled Docusign stock to an all-time high of $310 in mid-2021.But as social restrictions fell away, Docusign experienced a slowdown in its revenue growth, forcin ...