Stock Market Today: Domestic benchmark indices opened higher on March 5 after registering deep cuts over the previous three sessions. Following a gap-up start, the BSE Sensex surged as much as 550 points, or 0.69 per cent, to touch an intraday high of 79,666.46, while the NSE Nifty 50 advanced 176 points, or 0.72 per cent, to reach the day’s high of 23,656.70.