Sensex and Nifty swung between gains and losses throughout the session before settling lower.New Delhi: The Indian equity benchmark indices extended losses to the second straight session on Thursday as rising oil prices kept investors on edge.

Brent crude futures traded above the $120 a barrel mark amid the ongoing Russia-Ukraine conflict.The domestic indices swung between gains and losses throughout the session before settling lower.The 30-share BSE Sensex slipped 89 points or 0.15 per cent to close at 57,596, while the broader NSE Nifty moved 23 points or 0.13 per cent lower to settle at 17,223.However, mid- and small-cap shares finished on a positive note as Nifty Midcap 100 index jumped 0.59 per cent and small-cap shares rose 0.43 per cent.Seven out of the 15 sector gauges -- compiled by the National Stock Exchange -- ended in the red.

Nifty Bank, Nifty Consumer Durables and Nifty Financial Services underperformed the index by falling as much as 1.72 per cent, 1.62 per cent and 1.56 per cent, respectively.

Nifty IT, Nifty Metal and Nifty Pharma surged.On the stock-specific front, Kotak Mahindra Bank was the top Nifty loser as the stock cracked 3.10 per cent to Rs 1,714.95. Titan, HDFC twins (HDFC and HDFC Bank) and ICICI Bank were also among the laggards.The overall market breadth stood negative as 1,448 shares advanced while 1,940 declined on BSE.On the 30-share BSE index, Kotak Bank, Titan, HDFC Bank, ICICI Bank, HDFC, M-M and Maruti were among the top losers.In contrast, Dr Reddy's, UltraTech Cement, Reliance Industries, Tata Steel, Tech Mahindra and NTPC settled in the green.Also, Zee Entertainment shares zoomed as much as 16.83 per cent after U.S.

investment firm Invesco stated it would abandon efforts to shake up the company's top management.