Sensex and Nifty opened marginally higher on Monday. Gains were led by Yes Bank, Zee, Maruti Suzuki and Tata Motors.

Auto stocks were trading higher, led by gains in Maruti Suzuki. The auto major increased its production in November by 4.33 per cent, after having reduced output for nine straight months due to lower demand.

At 9.52 a.m., the Sensex was up 2.40 points or 0.01 per cent at 40,447.55. It opened at 40,527.24 from its previous close of 40,445.15.

The Nifty was also trading on a flat note. The broader index was up 8 points or 0.07 per cent at 11,929.50.