Mumbai, June 8 -- The key equity barometers traded with major losses in mid-morning trade, mirroring a broad selloff across Asian markets amid escalating geopolitical tensions in the Middle East and a sharp rise in crude oil prices. Nifty traded below the 23,200 level. Metal shares extended losses for the fourth consecutive trading session.

At 11:30 IST, the barometer index, the S&P BSE Sensex, tanked 573.14 points or 0.77% to 73,665.99. The Nifty 50 index fell 177.30 points or 0.76% to 23,189.40.

In the broader market, the BSE 150 MidCap Index declined 0.75% and the BSE 250 SmallCap Index shed 0.86%.

The market breadth was weak. On the BSE, 1,528 shares rose and 2,505 shares fell. A total of 203 shares were unchanged.

The NSE's India...