The benchmark BSE Sensex roared to a new all-time high of 21,196 on the back of a buying spree, amid optimism on the economic front. The earlier intra-day peak of 21,207 was set on January 10, 2008. Some major contributors in the Sensex are State Bank of India, M&M, Jindal Steel, Sterlite, Reliance Industries, Tata Motors and ICICI Bank.