Auto stocks saw an increase, with the Nifty Auto index rising over 0.7 percent, driven by early December sales reports. Mahindra & Mahindra (M&M) reported a 25 percent year-on-year increase in December sales, reaching 86,090 units, with significant growth in utility and commercial vehicles. This positive performance contributed to the broader rise in auto sector shares, including those of Ashok Leyland, TVS Motor Company, and Tube Investments of India.