Market benchmarks, the Sensex and the Nifty 50 lost more than 2% each for the week ended 23 October amid rising crude oil prices.From a technical perspective, the Nifty witnessed a correction following the previous week’s rally of approximately 1,000 points.According to Jigar S. Patel, Senior Manager of Equity Technical Research at Anand Rathi Share and Stock Brokers, a pullback after such a sharp advance was anticipated.