Australian based RuleBurst just acquired Haley Technologies, one of the thought-leaders in rule-based technologies... (announced here and on the JBoss-Drools Mailing list).
A few days ago, SAP bought Indian-based Yasu (provider of the QuickRules BRMS)...
Just in case you're interested in Rule-Engines - might be the right time to invest in those companies... they surely deserve a lot more corporate attention... problem is, most of them aren't public (yet)!
