New Delhi, Oct. 15 -- Indian IT stocks rallied in morning trade on Thursday, 15 October, as investors responded to strong quarterly results, improving sentiment around artificial intelligence (AI) services and a weaker rupee against the US dollar. HCLTech led the gains, while TCS, Tech Mahindra, Infosys, Wipro and other IT companies also advanced, pushing the Nifty IT index higher.

The Nifty IT index climbed 2.5% during the session, extending its rally to 9% over three trading sessions. The gains came as investors assessed the earnings reported so far in the September quarter and looked for signs that AI-related business was translating into stronger revenue growth and deal wins.

HCLTech was the top gainer, rising 3.5%. Tech Mahindra an...