Private equity giant Thoma Bravo is in talks to buy HR software provider Dayforce, Bloomberg reported. The $8.4 billion market-cap firm, with $1.2 billion debt, has an enterprise value topping $9 billion. Shares are down 27% YTD, with retail sentiment neutral. Dayforce, formerly Ceridian, offers AI-driven payroll and HR tools. A deal could be announced within weeks.