** Shares of SaaS pricing software company PROS Holdings PRO.N up 39.9% at $22.95
** Private equity firm Thoma Bravo to buy out PROS Holdings in a deal worth $1.4 billion
** PROS shareholders to get $23.25 per share in cash
** Deal to help PROS gain Thoma Bravo's operational expertise and deep sector experience
** Deal expected to close in Q4 of 2025
** Including session's move, PRO up 4.51% YTD