The SENSEX ended 559 points lower at 83,674.92 and NIFTY50 index dropped 147 points to close at 25,807.20.

IT shares came under heavy selling pressure following a sell-off in global tech and software stocks due to the fresh concern about the disruption AI start-ups will have on established companies.

NIFTY IT index was top sectoral loser on the NSE the index ended 5.5% lower at 33,160. The IT shares have been facing selling pressure as investors turned cautious after Anthropic's new AI products threaten the business models of established software, legal, and data companies.

Data show that the NIFTY IT index has slid over 10.5% year-to-date (YTD) and over 10% over the past 30 days (as of Thursday, February 12, early trade level).

All 10 shares in the index ended lower.

Auto, FMCG, Media, Pharma, PSU Bank, Realty and Oil & Gas indices also fell between 0.2%1.2%.

On the flipside, select financial services and consumer durables shares witnessed buying interest.

Broader markets also faced selling pressure as NIFTY Midcap 100 index declined 0.47% and NIFTY Smallcap 100 index fell 0.64%.

Tech Mahindra was top loser in the NIFTY50 index, the stock fell 6.4% to close at ₹1,530. Infosys, TCS, HCL Tech, Wipro and Mahindra & Mahindra also fell between 2.3%-6%.

Hindustan Unilever shares dropped 2.3% after it reported a 121.41% surge in its consolidated profit after tax (PAT) to ₹6,607 crore in the December quarter of the financial year 2025-26, compared to ₹2,984 crore in the year-ago period, according to an exchange filing.

Its revenue from the sale of products advanced 5.71% to ₹16,197 crore in the reporting quarter as against ₹15,322 crore in the same quarter a year ago.

On the other hand, Bajaj Finance, Shriram Finance, Eicher Motors, ICICI Bank and Bharat Electronics were top gainers in the NIFTY50 index.

The overall market breadth was extremely negative as 2,008 shares ended lower while 1,151 ended higher on the NSE.