A small-cap AI stock that is taking on the likes of Microsoft Corp.’s (NASDAQ:MSFT) Power Apps, with its low/no-code, AI-powered business process management solution, is beginning to heat up, with its Momentum scores surging in Benzinga’s Edge Stock Rankings.The stock in question is Appian Corp. (NASDAQ:APPN) , which allows businesses to build apps to power and optimize internal processes.Microsoft Challenger Sees Momentum Scores SurgeThe Momentum score in Benzinga’s Edge Rankings assesses the relative stre ...