Mumbai, May 9 -- The key equity indices extended losses in the morning trade. The Nifty traded near 22,150 mark after hitting day's high of 22,307.75 in early trade. Oil & gas shares fell after advancing in the past trading session. Trading could be a volatile due to the expiry of weekly index options on the NSE.

At 10:30 IST, the barometer index, the S&P BSE Sensex slipped 502.74 points or 0.71% to 72,945.65. The Nifty 50 index declined 150.30 points or 0.67% to 22,152.20.

In the broader market, the S&P BSE Mid-Cap index shed 0.48% and the S&P BSE Small-Cap index fell 0.60%.

The market breadth was weak. On the BSE, 1,288 shares rose and 2,112 shares fell. A total of 168 shares were unchanged.

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HPCL (down 1.14%), SBI (...