By Rahul Shah Equity benchmark Indexposted their first weekly advance last week, since early February after a run of four weekly losses, buoyed by dip-buying in sectors such as software and healthcare. Sensex surged by 1216 (up 2.2%) to close at 55550 and Nifty advance 385 points (2.4%) to close at 16630.Russia-Ukraine crisis, higher energy […]