Fiserv Inc. (NASDAQ:FISV) is one of the worst AI stocks to invest in according to Reddit. On February 2, Northcoast analyst Kartik Mehta downgraded Fiserv from Buy to Neutral. In other news, on January 28, ServiceNow and Fiserv announced an expanded commitment to accelerate AI-driven transformation within financial services. Fiserv will scale its use of ServiceNow Now Assist for Financial Services Operations and IT Service Management to enhance operations across its IT and customer service environments. T ...