Benchmark domestic equity indices today continued their upward momentum for the third straight session. The 30-share index at the Bombay Stock Exchange, Sensex, gained 227 points, or 0.3 percent, to close at 76,760. Similarly, the National Stock Exchange Nifty-50 added 86 points, or 0.37 percent, to settle at 23,249. The broader market indices at BSE ended nearly flat.