NEW YORK _ Americans getting an early start on the Memorial Day weekend found that gasoline prices again sprinted to a new record high overnight, reaching a national average above US$3.83 a gallon in the United States. Some analysts predict gas will break past $4 as early as next week.Oil prices, meanwhile, fell Thursday after setting a new trading record of $135.09 overnight. A stronger U.S. dollar gave some investors reason to sell oil futures to lock in profits from crude`s record run. But co