At close, the Sensex was down 2,226.79 points or 2.95% at 73,137.90, and the Nifty was down 742.85 points or 3.24% at 22,161.60.
It was a total bloodbath on Dalal Street as the Nifty 50 tanked 906.95 points, or 3.96 per cent at 21,997.50, while the Sensex nosedived 2,792.89 points, or 3.71per cent at 72,571.80 at 11:30 am.
The Trump tariff triggered selloff in IT, while pharma bucked the trend.
At close, Sensex was up 592.93 points or 0.78% at 76,617.44, and the Nifty was up 166.65 points or 0.72% at 23,332.35.
At close, Sensex was down 1,390.41 points or 1.80% at 76,024.51, and the Nifty was down 353.65 points or 1.50% at 23,165.70.
In the Sensex kitty of the 30-constituents, 26 ended in green with Bajaj Finders, Tata Steel, Sun Pharma and Bharti Airtel trading over a per cent higher.
Tech Mahindra, HCL Tech, Infosys, Nestle India, Sun Pharma and TCS closed in the red.
SBI was the top gainer, soaring over 5 per cent, followed by Tata Steel, IndusInd Bank, Bajaj Finance, Bajaj Finserv and HCL Tech.
BSE Gainers were led by IndusInd Bank, gaining around 7 per cent, followed by ICICI Bank, Axis Bank, HDFC, Bharti Airtel, SBI, Bajaj Finance and HDFC Bank.
During the week, Sensex tumbled 1,071.43 points or 2.63 per cent, while Nifty sank 287.95 points or 2.41 per cent.
