New Delhi, Oct. 16 -- Infosys Ltd put up a better-than-expected show in the September quarter and raised the lower end of its full-year guidance, even as it keeps a cautious eye on a turbulent world. Across the city, rival Wipro Ltd's performance paled in comparison, as it grew at a slower pace and profitability declined.

Infosys, India's second-largest IT services firm, ended the September quarter with $5.08 billion in revenue, up 2.66% from the June quarter and 3.77% from the previous year. More than half of the gains came from banks and financial institutions, the company's biggest client base.

The Q2 performance of Wipro, India's fourth-largest IT firm, was relatively sedate. Its revenue was $2.6 billion, up 0.65% sequentially and d...