India, Feb. 13 -- A gauge of India's top IT stocks led by Tata Consultancy Services Ltd. and Infosys Ltd. is on track for the worst week since March 2020, tracking a global rout in software stocks triggered by Agentic AI.

The Nifty IT fell as much as 5.24% to 31,422.60 points, with all 10 constituents in the red. That dragged down the benchmark Nifty 50 nearly 1%.

The Nifty IT index was the worst-performing sector on the day and remains the weakest so far this year, after sliding 12.6% in 2025 and a further 16.8% in 2026.

The Nifty IT index is essentially tracking global cues where the NASDAQ and S&P 500 fell as much as 2% on AI jitters.

The rout has deepened since Anthropic PBC released new tools designed to automate work tasks in va...