New Delhi, Feb. 4 -- Shares of top Indian information technology (IT) services firms fell sharply in early trade on Wednesday, mirroring the drop in US technology and software stocks overnight after American AI firm Palantir launched a new tool that threatens an important revenue stream of these companies.

Shares of Tata Consultancy Services Ltd, Infosys Ltd, HCL Technologies Ltd, Wipro Ltd, and Tech Mahindra Ltd were down 5.1%, 5.96%, 4.94%, 3.36%, and 4.61%, respectively in early trade.

When Palantir announced its earnings on Monday, it revealed that its Hivemind AI can now autonomously migrate data from ageing legacy systems-a task that has been a bread-and-butter revenue stream for Indian IT firms for decades.

Before that, generati...