Abu Dhabi's index .FTFADGI also lost 0.5%, dragged down by a 1.8% slide in First Abu Dhabi Bank FAB.AD, the United Arab Emirates' biggest lender, and a 0.9% decline in Alpha Dhabi Holding ALPHADHABI.AD. By Shamsuddin Mohd March 31 (Reuters) - Stock markets in the United Arab Emirates fell on Friday as investors awaited key U.S. inflation data due later in the day for clues on future interest rate moves by the U.S. Federal Reserve. A record monthly drop in the euro zone's inflation rate has raised investors' expectations for similar U.S. data later in the day.