The Benchmark domestic equity indices, Sensex and Nifty, were trading marginally down in the afternoon trade today, tracking weak cues from Asian markets. On the sectoral front, metal, IT, and consumer durables were major drags while realty, PSU Bank and services were gaining the most. The 30-share BSE Sensex dropped 88 points to 81,363 and the NSE Nifty50 slipped slightly by 28 points to 24,723, when reports last came in.