** Shares in Union National Bank
UNB.AD
(UNB) are up 12.4pct to 4.98 dirhams ($1.36) in early trade as investors foreseethe bank benefitting from a potential merger.
** Second day of double-digit gains for the stock after AbuDhabi Commercial Bank
** Shares in ADCB edge down 0.6 pct to 7.95 dirhams afterrising 12.8 percent on Tuesday to the highest level since August2015.
** Abu Dhabi stock index
($1 = 3.6728 UAE dirham)
(Reporting by Tom Arnold) ((tom.arnold@thomsonreuters.com))