Mumbai, June 23 -- The BSE Sensex on Monday tanked by 601.04 points to 81,807.13 in early trade, influenced by Asian market trends as investors closely monitor potential retaliatory actions by Iran following a US attack on its nuclear site, traders said.

The Nifty too declined by 178.90 pts to 24,933.50.

Sensex registered intra-day highs and lows at 81,984.44 and 81,702.52, respectively.

The Nifty registered a day's high at 24,988.10 and a low at 24,929.55 pts.

Midcap fell by 285.36 points, and small cap declined by 274.27 pts.

All sectoral indices were trading in red, with IT being the top loser, down by 1.23 pc. Other losers were Commodities by 0.54 pc, Energy by 0.60 pc, FMCG by 0.58 pc, Financial by 0.61 pc, Healthcare by 0.49 pc, ...