Abu Dhabi's index .FTFADGI slipped 1%, with the United Arab Emirates' biggest lender First Abu Dhabi Bank FAB.AD losing 1.3%. U.S. inflation data due later in the day is likely to inject more volatility, even if investors see the Federal Reserve prioritising financial stability. O/R Dubai's main share index .DFMGI dropped 1.2%, on course to extend losses for a fifth session, weighed down by a 1.7% decline in blue-chip developer Emaar Properties EMAR.DU.