Paychex Inc. (PAYX) is reportedly in advanced negotiations to acquire Paycor HCM Inc. (PYCR), according to sources familiar with the situation, as reported by Bloomberg. The acquisition, which could be announced as early as this week, has not been finalized, and there remains a possibility that discussions could collapse. As of the market close on Friday, Paycor HCM was valued at $3.33 billion.