The index slipped 0.02% at Tuesday's close, weighed down by losses in the Oil & Gas, Manufacturing, and Power sectors.VK Company (+2.51%), Rostelekom (+2.10%), and MTS (+1.68%) led the gains, while PIK (-0.92%), Tatneft (-0.80%), and Transneft Pref (-0.77%) were the biggest decliners.Advancing s