ServiceNow is eying an acquisition and also received an analyst downgrade.Shares of back office software-as-a-service company ServiceNow (NOW 11.69%) plunged on Monday, falling 11.9% as of 1:18 p.m. EDT.ServiceNow had two rather significant pieces of news today: One, it was reported ServiceNow is in talks to make what appears to be an expensive acquisition. Two, an analyst downgraded shares, predicting that fears over the potential disruption from generative artificial intelligence would cap ServiceNow's va ...