Benchmark Sensex climbed 446 points on Thursday, extending gains for the second consecutive day on buying in oil & gas and select financial shares and fresh foreign fund inflows.

The 30-share BSE Sensex jumped 446.21 points or 0.52 per cent to settle at 85,632.68. During the day, it surged 615.23 points or 0.72 per cent to hit a 52-week high of 85,801.70.

The 50-share NSE Nifty also hit its 52-week high of 26,246.65 during the day before closing at 26,192.15, reflecting gains of 139.50 points or 0.54 per cent over the previous close.

A rally in global peers helped indices scale their year-high levels intra-day, analysts said.

Among Sensex firms, Bajaj Finance, Bajaj Finserv, Reliance Industries, HDFC Bank, Tech Mahindra and Axis Bank were the major gainers.

However, Asian Paints, HCL

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