Feb 12 (Reuters) - Britain's competition regulator said
on Wednesday it will not refer U.S.-based asset management firm
BlackRock's ( BLK ) 2.55 billion pounds ($3.17 billion)
acquisition of UK data firm Preqin to an in-depth Phase 2 probe.
($1 = 0.8038 pounds)
(Reporting by Yamini Kalia in Bengaluru)