Stock Market Today: Domestic benchmark equity market indices started on a subdued note on May 30, mirroring weakness in Asian markets. The Sensex started at 81,471.22, down by 176.33 points, or 0.21 per cent. Similarly, the Nifty 50 began the session at 24,812.60, lower by 21 points or 0.08 per cent. Both indices exhibited back-and-forth motion, swinging between gains and losses in the early minutes of trade.