Tata Investment, Tata Chemicals rally up to 7% after RBI classifies Tata Sons as upper-layer NBFC

Tata Investment Corp and Tata Chemicals shares rallied up to 7% after the RBI classified Tata Sons among the 16 upper-layer NBFCs, reviving focus on the holding company's potential listing. The central bank is also examining Tata Sons' application to surrender its core investment company registration.