(4-traders.com) HERMITAGE, Pa. and BALTIMORE, Aug. 21, 2014 /PRNewswire/ -- F.N.B. Corporation (NYSE: FNB) and OBA Financial Services, Inc. (NASDAQ: OBAF) today announced that, at a special meeting, the shareholders of OBA Financial Services, Inc. have approved the Agreement and Plan of Merger between F.N.B. Corporation and OBA Financial Services,...http://www.4-traders.com/FNB-CORP-12627/news/F-N-B--Shareholders-of-OBA-Financial-Services-Inc-Approve-Merger-with-FNB-Corporation-18938281/