Firstsource Solutions shares surged 10% to Rs 344 on October 23, following the announcement of a new large language model (LLM) tailored for the U.S. mortgage sector. This initiative, part of the Firstsource relAI suite, aims to enhance mortgage services with AI-driven features such as credit assessments and document digitization, streamlining the loan application process. The LLM promises a seamless digital experience, combining self-service convenience with personalized loan officer support.