Mumbai, Sept. 30 -- The Nifty 50 opened lower on Wednesday while the Sensex gained 0.18 per cent, as investors remained cautious amid volatile crude prices and concerns over global yields, with analysts expecting the market's near-term direction to depend on oil prices and key technical levels.

At the time of filing this report, Nifty 50 was down 36.70 points, or 0.16 per cent, at 22,679.50, after opening at 22,665.00, while the BSE Sensex gained 131.57 points, or 0.18 per cent, to 72,660.64, after opening at 72,441.15. The Nifty had closed at 22,716.20 on Tuesday, declining 64.05 points for its second consecutive session.

US equities ended lower for a second straight session as rising Treasury yields weighed on valuations. The Dow fell...