The Abu Dhabi Securities Exchange nudged down 0.07% today to close on 2,653 on a balanced day of trading, as 13 stocks rose, 12 fell, and 10 were unchanged. The day's big gainer was Gulf Livestock Company, which jumped 24.03% to Dhs4.80, while Abu Dhabi Aviation led declines, down 9.87% to Dhs2.10.