NEW DELHI: Midcaps and smallcaps were underperforming benchmark Sensex during Wednesday’s session.At 11:10 am, the BSE Midcap index was trading 0.72 per cent down at 14,433, while the BSE Smallcap index was trading 0.50 per cent down at 14,521. The equity benchmark Sensex was 0.35 per cent up at 35,286.Vakrangee (down 4.89 per cent), Piramal Enterprises (down 4.63 per cent), Reliance Capital (down 4.15 per cent), PNB Housing Finance (down 3.91 per cent) and L&T Finance Holdings (down 3.69 per cent) were among the top losers in the midcap pack. However, shares of Kansai Nerolac Paints (up 3.42 per cent), RBL Bank (up 2.49 per cent), Future Retail (up 2.08 per cent), Central Bank of India (up 2.07 per cent) and Apollo Hospitals Enterprise (up 2.01 per cent) were among the top gainers in the midcap index.From the smallcap space, Aptech (down 9.06 per cent), DHFL (down 8.51 per cent), Repco Home Finance (down 8.12 per cent), Dilip Buildcon (down 7.64 per cent) and GPT Infraprojects (down 7.40 per cent) were among the top losers.Shree Rama Newsprint (up 12.27 per cent), Jammu & Kashmir Bank (up 11.11 per cent), Energy Development Company (up 11.05 per cent), Shakti Pumps (India) (up 10.90 per cent) and Speciality Restaurants (up 10.61 per cent) were among the top gainers in the smallcap index.Market pared most of its opening gains as rupee turned volatile in the wake of a fresh rise in global crude oil prices. Among the 50 stocks in the Nifty index, 21 were trading in the green, while 29 were in the red. In the 30-share Sensex pack, 19 stocks were trading with gains. ITC, Coal India, Infosys, Hindustan Unilever and ICICI Bank were among the top gainers in the Sensex index.YES Bank, Maruti Suzuki, Adani Ports, ONGC and Mahindra & Mahindra were the top losers in the Sensex kitty of stocks.