Mumbai, June 29 -- The key equity indices traded sideways in mid-morning trade as investor sentiment remained cautious following the escalation of tensions between Iran and the US over the weekend. The Nifty traded above the 24,050 mark. Pharma stocks rebounded after declining in the previous trading session.

At 11:30 IST, the barometer index, the S&P BSE Sensex, shed 9.58 points or 0.01% to 77,090.89. The Nifty 50 index rose 7.35 points or 0.03% to 24,061.85.

The broader market underperformed the frontline indices. The BSE 150 MidCap Index shed 0.38% and the BSE 250 SmallCap Index dropped 0.53%.

The market breadth was negative. On the BSE, 1,665 shares rose and 2,361 shares fell. A total of 257 shares were unchanged.

The NSE's India ...