New Delhi, Oct. 9 -- Tata Consultancy Services (TCS) Ltd reported its weakest sequential second-quarter growth in six years even as India's largest software services provider promised to set up AI data centres with at least $6 billion of investments in around six years, marking the biggest pivot since going public in August 2004.

The company reported $7.47 billion in revenue in the second quarter, up 0.61% sequentially but down 2.66% on a yearly basis-the first annual revenue decline in the second quarter. On a quarterly basis, more than three-fifths of its incremental revenue came from banks and financial institutions, which make up a third of TCS's business.

TCS's performance exceeded analysts' expectations of $7.35 billion in revenue...