News Seeking Alpha: PROS acquires commodity-focused analytics provider SignalDemand for $13.5M December 17th, 2013 December 17, 2013- PROS (PRO +1.1%) acquires San Francisco commodity-focused analytics software maker SignalDemand for $13.5M in cash. Previous Houston BizBlog: PROS Holdings Snaps Up Hot San Francisco Software Company Dec 16, 2013 Next Technology Evaluation Centers: PROS’ Acquisition Streak Signals Pricing Market Consolidation Dec 18, 2013