The 30-share Sensex slipped 259.87 or 1.02% to end at 25,329.14, hitting a 2-week low.
The Sensex had ended at 25,991 on July 28. The 50-share Nifty dipped 80.70 points or 1.06% to close at 7,568.55.
The broader markets underperformed benchmark share indices as the BSE Mid-cap and Small-cap tumbled over 2%.
Foreign funds were net sellers to the tune of Rs 73 crore on Thursday, as per the provisional data on the Bombay Stock Exchange.
Meanwhile, the market breath on the BSE was negative as 2075 shares declined and 825 shares advanced.
Around the globe:
Asian shares tumbled on Friday as investors sought out safe-haven assets on growing fears that conflicts in Ukraine and West Asia could sap global growth, extending losses after US President Obama authorised air strikes in Iraq.
Better-than-expected export growth from China pulled markets off their lows, but failed to offset all the gloomMSCI's broadest index of Asia-Pacific shares outside Japan was off its lows but was still down about 0.9%, on track for a weekly loss of around 1.6%. Japanese shares witnessed a sell-off dropping to a 2-month low.
The benchmark Nikkei ended down 3.07% at 14,778.37. Among others in the region, Hang Seng and Straits Times were down 0.3-0.6% each. However, Shanghai Composite was trading marginally higher.
European shares were trading lower tracking weakness in global stocks while the Russian ban on food and agricutural imports from the West also weighed on sentiment. CAC-40, DAX and FTSE were down over 1-1.3% each.
Crude:
Crude soared more than a $1 to $98.45 a barrel, after closing at its the weakest level since February on Wednesday.
It was last up about 0.6% at $97.96, while Brent crude rose 0.9% to $106.39 a barrel.
Rupee:
At 16.00 PM, the rupee was trading at 61.35 after hitting 61.74, its weakest since March 5 but still below Thursday's close of 61.22/23.
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