Key insights: Fiserv's fourth-quarter earnings were in line with expectations. What's at stake: The bank-technology seller is trying to recover after an earnings shortfall three months ago. Forward look: Fiserv is developing tools to support agentic AI for small to mid-sized businesses. Like a lot of financial-technology sellers, Fiserv is betting heavily on artificial intelligence to stay relevant with banks and merchants while containing costs. "We have identified ample room to simplify [our] busi ...