All the five listed firms belonging to the late Rahul Bajaj-Group ended with gains amid a rally in the market. At the close, the combined these companies stood at Rs 10.2 trillion. Bajaj Finance, the most valuable company of the group, rose 2 per cent, second-most valued Bajaj Finserv rose 0.6 per cent, and Bajaj Auto gained 2.5 per cent. The group’s holding company Bajaj Holdings & Investment climbed nearly 7 per cent.