Leading non-banking financial company (NBFC) Shriram Finance on Friday said Japan-based MUFG Bank would invest Rs 39,618 crore, or $4.4 billion, to acquire a 20 per cent stake on a fully diluted basis through a preferential issue of equity shares.Illustration: Uttam GhoshThis will be the largest foreign direct investment (FDI) ever in India’s financial services sector, which has seen a spate of large deals this year.The transaction will surpass Emirates NBD’s October deal to acquire a 60 per cent stake in R ...