MIDEAST STOCKS-Banks hold back most of Gulf; lender FAB boosts Abu Dhabi

Most major Gulf stock markets weakened on Wednesday, largely pulled down by losses in banks, but Abu Dhabi bucked the trend on the back of top lender First Abu Dhabi Bank (FAB). Saudi Arabia's benchmark index retreated 0.2%, offsetting earlier gains in the day. Samba Financial Group declined 1.6%, while Sau